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Pam the village postmistress developed her favourite Sybian position in front of the wardrobe full-length mirror, with an additional mirror propped up at an angle to watch the under view of her breasts. She felt very proud of having downloaded and printed some photos from the Sybian Club web-site and stuck her favourite shot of Becki in her pink 'climbing harness' to the bedroom mirror. In the photo Becki was pushing a large blue dildo into her big sister Faye, who was bending backwards over the masturbation machine that was currently throbbing between her own thighs. Pam's husband Mike was home early from work and hearing the unusual whirring sound from the bedroom stuck his head around the door. The sight of Pam naked, except for a pair of headphones, with her lower body reflected in the mirrors was too much and he had to help. He quietly took off suit and shoes and squatted behind the Sybian kissing Pam's neck, squeezing her generous breasts and increased the vibration speed. Pam wept with relief when her orgasm came as she had wanted to involve Mike since joining the Club, but was unsure how. Pam rolled off the masturbator onto Mike and they had the best sex for weeks.

Later Pam sat naked at the computer on Mike's lap clicking through the videos and photos that Timmy had uploaded to the web-site, naming each of her friends and describing the taste of their cunts and favourite dildos. Mike was fascinated by Becki's outfit, and drooled over Molly and Gemma; Pam had to suck him off to remove the impure thoughts of what he would like to do with these under-age lesbians. Mike was an engineer and had often fantasized of inventing a discreet full body female masturbator, and here were the girls he needed to test it.

The mk1 prototype
A week later he had fabricated the first prototype, packaged it in a nice box with full instructions and left it with Pam to give to Becki when she next visited the Post Office. Her big sister Faye arrived the next morning when the Post Office was nearly empty. Pam quickly served the remaining customer and slipped around the front of the counter, locked the door, kissing Faye. She buried one hand down the front of Faye's denims and the other up her jumper, murmuring she looked very sexy with clothes on. Faye carried away the surprise package for Becki and promised they would both be at the pub for lunch with Mike wearing their outfits.
The package contained a shiny silver dildo for Faye with a screw-on connection to replace a normal shower head. When inserted, it thrusts with pulses of water aimed at the g-spot and clitoris; she tried it out in the shower whilst waiting for Becki to put on Mike's prototype device. Becki stripped off, whilst watching Faye climaxing on her knees in the shower with warm water gushing out of her cunt.
The device for Becki is best described as a wide padded thong attached front and back to a soft pink leather belt with clips for a large iPod. It has wires from the belt leading down into a whole row of shiny bumps in the crotch piece from front to back. Becki removed her clit ring and pulled the device up to her slim hips. It fitted perfectly with the shaped bumps opening her lips to touch the clit, one to slip inside her bum-hole and others to nuzzle her pussy. She tentatively experimented with the iPod controls and nearly climaxed to the pulsing energy flowing through her pubes. Mike had thoughtfully supplied a small bottle of suntan oil to rub into her breasts before clipping on each softly sprung nipple ring with a wire running to a snug arm band. The instructions were to bunch up her fingers, as in her fisting videos, and push into the smoothly lined arm band, which carried a battery pack, Bluetooth antennas for communicating with her crotch, and the wires up to tiny ear-buds and a volume control. She pulled on Faye’s tiny halter-neck top to cover the nipple rings and wires, and a loose hipster skirt which just showed the top of the pink leather belt, popped in the ear buds and left with Faye for their meeting with Mike and Pam at the pub.
Mike hugged and kissed Faye before sitting down at a table in a corner of the pub garden, and Pam discreetly slipped one hand up her skirt.

Becki, looking gorgeous, just purred into Mike's ear "How did you make it fit so perfectly, you are a genius".
Mike explained that he had measured the critical C-to-A (cunt to arse) and inter-nipple distances from her photos on the web-site, to ensure a snug fit; as Becki was listening to the loud orgy recordings he had made, she just smiled. Sitting very close to Becki he was able to demonstrate the speed control under her skirt for the vibrating bumps and the level of electric discharges that made her nipples shoot up in time to the moaning sounds in her ears. Becki was soon a complete orgasmic mess and had to stagger off behind a bush to mop up the pussy juice streaming down her legs.
When she returned flashing her pretty midriff and top of bum crack, the food and drinks had arrived, and so had Molly in a pretty sun dress. Molly was holding a small box just like the one on her belt, and pushed the pink button. Becki sank onto her seat beaming with pleasure, as Mike explained the technical workings of the remote control. The clitoral bump felt like it was pulsating in time to the music in her ears, and the back one was pushing its way into her bum-hole. With the green button Molly injected more volts into Becki's taught nipples and forced her to another juddering climax, which Pam, Faye and Mike tried unsuccessfully to hide from the other drinkers. Faye and Pam slipped off to the ladies to relieve the itch between their legs, and Molly sucked off Mike when they were back in the car.

Mike made 5 more of the shower-head dildos, improving the design of the clitoral pulse from Faye's evaluation, for the next Sybian Club party to be held at a private gym his brother owned. When the ladies arrived in tight lycra tops and shorts they were delighted with the continuous loud orgy video playing on the huge TV wall, and the carefully constructed dildo attachments to the rowing and cycling machines. Pam demonstrated the correct use of each machine, supported by Molly wearing her crotch less shorts and stroking her breasts. As she pulled on the rowing machine handles the seat slid forwards, her legs opened and the motorised dildo was powered into her widening cunt. With careful control of the speed, rowing machine resistance and lubrication, climaxes were easily achieved.
Becki just had on her magic thong and nipple rings, remotely controlled by Mike watching through the large windows, but she could not join in with her friends, as she had to lie down each time an orgasm coursed through her young nearly-naked lithe body.
Timmy was filming as usual throughout, and afterwards Gemma wearing her revealing green mono-kini organised a stand-up orgy of all the ladies in the shower room to try out Mike's special shower head dildos with plenty of soap. Faye and Pam demonstrated the classic lesbian trib position, with legs interlocked and cunt rubbing cunt, while the ladies directed their gushing shower heads over them.
Gemma dragged Timmy into the shower room fully dressed and forced him to lick Molly's bum while she climaxed on the special shower head dildo. Later they both stripped him, and after Becki had found the off switch on her thong, they all sucked him dry.
Mike came in to rapturous applause from the ladies, kissed his wife Pam and asked for permission to fuck Becki, who could hardly refuse. Molly and Gemma slid down the wall onto the shower room floor, knees pulled up, still holding internally Mike’s special shower head dildos. Reluctantly Becki pulled off the magic thong and knelt on some damp towels between their feet, resting her pretty hips on their knees. She leaned forward massaging soap into Gemma's tits and complaining that her entire cuntal area had gone numb from the tiny vibrators. Mike stripped off and pushed into Becki's soapy arse, while pulling her gently upwards by the breasts and tweaking her nipple rings. He didn't last long inside Becki's 15 year old tight virgin bum-hole, and quickly filled it. Becki slumped to the floor and Gemma hungrily licked up the spunk dribbling down her friend's legs. Molly pulled the shower dildo out of Gemma's dripping cunt, wiped it across Mike's mouth to get a good taste of the tangy juice and pushed it up his arse. To Pam's great delight his erection recovered quickly and was deep-throated by my lovely step-sister Molly.

Mk2
A few weeks after testing his magic thong invention between Becki's delicious thighs at the Sybian Club's gym party, Mike continued to refine the design. Gemma had also tried it on, but complained in between muffled orgasms that the bulky motors in the crotch piece overheated her cunt. Mike took inspiration from the image of Becki's tiny breasts snuggled between the lightweight nipple ring arm-bands and Pam's stay up stockings framing her juicy cunt straddling the masturbation machine. Mike drew up the new prototype as a pair of wide metallic straps around the very top of the thighs connected to the new slimmed down clit to arse vibrator panel by several miniature flexible rotating drive shafts.

Faye brought Molly, Becki and Gemma round to Mike's workshop to review the very realistic photo-shopped pictures of 'mk2' on Molly's young body, and to try on the new design prototypes. Becki was the first out of her clothes, followed by Molly and then Gemma, who could not resist a quick snog and couldn't really concentrate because they were busy fingering each other's cunt. A light application of suntan oil to her pubes and the unit slid snugly up Becki's thighs and into position. Mike turned on the new feature – a miniature web cam fitted to one leg strap and pointing straight up Becki's pretty arse, displaying the live picture over Bluetooth onto his mobile phone. He clicked a few buttons on the phone application and Becki squirmed in pleasure as the motorized fittings probed her pussy, then arse and blasted her clit with waves of vibrations. Molly and Gemma stopped playing with each other and came over to hold Becki up as her knees buckled under the onslaught of a whole string of climaxes. They licked her tits and newly discovered erogenous zone in her elbows and sank to the floor, where Mike had thoughtfully provided an inflatable mattress. Faye joined the writhing tangle of limbs on the floor, and despite being a devout lesbian allowed Mike to suck her cunt and briefly enter her arse in thanks for the pleasure he had given her 15 year old kid-sister Becki.
Mike assessed Molly's C-to-A (cunt to arse) distance by the simple act of pushing his thumb into her cunt and first finger into bum-hole and after licking off the juices, measured the span distance on a ruler. When he tried the same trick to measure Gemma she clamped her legs around his hand and wouldn't let go until he had rubbed her to a climax.
True to his word he manufactured mk2 units for each of them, delivered to their houses in beautiful packaging accompanied by instructions for recharging the batteries, downloading his smart-phone control application and uploading the tiny web-cam videos to the Sybian Club site. He wasn't sure how well the detail of Gemma's darker skin would be picked up by the web cam, so included a tiny lamp to illuminate her pussy and was greeted by the sight of her delicious pink cunt walls being penetrated by his device on the web-site video.
Gemma, Becki and Molly 'dressed' in their new prototypes, electric nipple-ring arm-bands and skimpy summer dresses met up at the train station, with me Timmy, for a day out at the seaside. We found a block of 4 seats, with a table to hide the naughtiness at the quiet end of train coach, and discovered that sitting so close each smart-phone could display the other's up-skirt web-cam views, and take over control of their vibrators. After Molly subjected Gemma to some intense anal probing and nipple-ring electrification she struggled to her feet and wobbled down the train, as much due to the continued cuntal vibrations as the train swaying. Gemma provocatively twisted around a seat pole and 'accidentally' lifted the back of her dress giving us all the delightful direct view of her bum and internally via the web cam onto our smart-phones. Becki gasped at the lovely combination of the tight green thigh straps and vibrators between Gemma's silky dark thighs; having assumed their prototypes were all the same colour. So Becki and Molly sitting opposite each other both giggled and lifted their skirts to inspect each other's colours; Becki had blue and Molly brown against their pale bikini regions. Mike had supplied a number of very rude porn videos to watch on the smart-phone, with synchronised cunt thrusting and clit vibration for a girl travelling alone, but these were ignored in favour of live control over each other's orgasms.
Mike had included an on-screen questionnaire on the smart-phone asking us to rate the different sensations and record the number of climaxes per hour. Gemma decided the thrusting effects were stronger standing up, with a cool draft of air up her skirt, but she could only take the clitoral and nipple stimulation sitting down, as they made her go all wobbly.

Molly's battery went flat first, making her groan in mid-climax, and admitted she had been using it most of yesterday afternoon during school sports. She had to wear a towel around her middle in the showers afterwards to avoid being discovered by the other girls, but the games mistress had become suspicious and demanded a demonstration. Having played with the controls and tried on the electric nipple rings she demanded to know where to buy one, and left happily with Mike's phone number. The flat battery gave me the chance on the train to try out the USB charging cable from my laptop up Molly's skirt and into the socket on her thigh. On the questionnaire I recommended Mike supply longer cables as other train passengers might be offended by such a display of Molly's dark pubic hair framed by the pretty brown thigh straps.
At the seaside we all piled off the train leaving discrete damp patches on the 4 seats and strolled down to the sea-front intently watching the 3 web cam views as sunshine poured through their flimsy dresses. Passersby might have been surprised by 3 lovely girls wearing identical arm bands, ear buds and big grins, but just smiled back. On the beach Gemma did cartwheels to check the mechanical flexibility of the drive shafts, with Molly increasing the vibrations at the top of each rotation, when her cunt came into full view.
With the three girls lying face-down near the water on a deserted section of beach, I massaged and licked their bottoms, and then discovered a new button on the control app. The instructions stated that by listening to the heartbeat in their cunts, the clit and nipple pulses could be synchronised to occur just before or after each beat. The girls all experimented with the settings, climaxing noisily when it was neither too early nor too late but just right. With one hand still stuck between Molly's bum cheeks and the other squeezing Gemma's right tit, I was in no position to photograph them, but relied instead on the saved web-cam views to upload to the web site.

On the train home I sat opposite Molly who straightened out one leg between mine to push her foot into my crotch and Becki sucked me off under the cover of a beach towel.
Back in Mike's workshop he was over the moon with the results of his prototype, particularly watching the climax web cam views of Molly licking Gemma's arse, and prising the clit stub away to chew on her. Becki was the first to strip off and walk around the room, snogging Molly and Gemma and bending right over in front of Mike's face. Reluctantly he loosened the thigh straps and pulled the vibrators from her numbed dripping snatch to gently fuck her arse. Gemma licked the spunk from Mike and slowly wanked him back to full size, before slipping on a durex. My step-sister Molly was the last to remove the device and offered up her sore clit to Mike's probing tongue, and then standing up, gripped her legs around his waist, held onto to his shoulders and allowed him to fuck her properly.

mk3
Becki, our fifteen year-old blonde bi-sexual woke up spread-eagled, face-down naked on her bed. She gingerly rubbed her clit and sleepily pushed a finger into her cunt and was delighted that the numbness from yesterday had worn off. Becki was humping a pillow when big sister Faye walked in and kissed all down her pretty tanned back and licked into her pale sore bottom.
“Yuck, this tastes of suntan oil and spunk, what have you been up to?”
Becki abandoned the pillow and cuddled Faye as she had since before puberty, wrapping her legs around Faye's and humping her hip bone, whilst giving a full account of the mk2 masturbator she Molly and Gemma had enjoyed on the train and at the seaside. After Becki described the delicious sensations the mk2 made simultaneously in her nipples and clit, she swung her legs around to be fully interlocked with Faye. Faye slipped a short squishy double-ender between their moist pussy lips and pulled hard on Becki's hands to engage it fully into their cunts. Later they showered together, climaxing again as they swapped Mike's shower-head dildo with the pulsating water spray into their clits and g-spots.

Back in Mike's workshop he had uploaded all the monitoring data from the 3 thigh strap computers, and was building up on-screen a three dimensional internal picture of Gemma's cunt from the temperature and moisture readings. He could clearly observe each time she had climaxed and which programmed stimulations caused it. Mike had stored the discarded three mk2 devices in a plastic bag after the girls had left. Next morning Pam easily identified which had been worn by each girl from the taste of remaining pussy juice. Pam loved the internal heat image of Molly's cunt and arse and super-imposed it onto close-up photos of her dark pubes and bum to create a panoramic series of composite internal/external views. Timmy had never realised from school human biology lessons how thin the wall was between Molly's two openings and how easily deep anal penetration caused her to climax.
Timmy had managed to hold focus on the mk2 in the cart-wheeling video flashing into view each time Gemma's cunt was above her head. Mike realised the technical need for an internal accelerometer in mk3 to determine which way up the girl is, and measure her contractions directly.
Mike received an order from Molly's games mistress and several of her friends after watching the videos and trying the nipple-ring stimulator in its proper place and attached to their labia. Pam and Mike researched the web for dildo designs, and Pam loved the 'strap-less strap-on' Feeldoe. This was advertised as having a bulbous passive end that fits snugly into her cunt and the active end for probing her partner, leaving both hands free. Mike ordered a genuine model and several cheaper copies for Pam to try out with her adult friends and the girls at the next Sybian Club meeting.
Faye and Becki came over to Mike's and he carefully watched Pam getting sandwiched by the two sisters wearing bikini tops and Feeldoes, penetrating her back and front simultaneously. After a few changes of position and dildo model they all agreed that the version with an additional bum-hole bulb provided the best fit, which stayed in place even with vigorous fucking and pussy juice oozing down their legs.
This experiment and the internal 3 dimensional data led to the design of mk3 to automatically adjust to any female pubic shape or size, instead of being custom designed for each C-to-A distance. He re-introduced a lightweight hip belt supporting the almost-rigid thigh straps where the self-guided flexible pussy and bum probes connect. The device was completely open front and back to allow plenty of cooling airflow, with all batteries, comms and control devices on the hip belt.

Molly my step-sister drooled in delight when she pulled on the mk3 prototype a week later, and I filmed her convulsing through its first probing and her rapid climaxes. Once the middle and rear probes had moulded themselves to its owner's internal dimensions the front probe was free to roam around and massage her clit, or under command to search out other cunts, turning into a 'strap-on' penis.
Pam found that the front probe rotated so she could fuck Faye either face-to-face, from behind, face-to-feet or her favourite position - fully interlocked. Any hip-thrusting action was automatically magnified into the 'penis', for pounding the games mistress or could be reduced for fucking very young girls.
Bluetooth was much enhanced, automatically sending the up-skirt videos to anyone in a 20 metre radius, and allowing control from any PC or iPhone; he added WiFi for the Nintendo DSi console.
Mike won a Porn Industry Design Award for mk3, which included the production of an advertising video. A stretched limo from the porn video company arrived to pick him up with Gemma, Molly and Becki; the girls 'chaperoned' by Faye, Pam, me and Molly's mum, and whisked us all off to Bristol for the weekend. In the limo the girls demonstrated the masturbation and fucking features to the young lesbian director, and everyone had rather too much champagne while trying to understand the script. The house in Bristol had a small swimming pool and one studio equipped as a bedroom, and another as a gym.
A pretty make-up girl arrived next morning and gave the girls a full leg-waxing, trimmed their pubes and styled their hair. She had rarely applied body make-up to 15 year olds and was very pleased with disguising the odd spot on Becki's bum and Molly's tummy. She experimented with the best colours for Gemma's dark skin, and made her body glow beautifully under the strong lights.

The first scene was a side view of Gemma naked, propped up on lots of pillows gently stroking the stylus across her DSi. Her taut nipples and lovely breasts rising and falling with her heavy breathing. The camera panned down the bed to reveal the shiny mk3 strap across her hips, and her shaved pubes framed by the thigh straps. Her knees were together and pulled up slightly by short bondage cords from each ankle to a D-ring under the mk3. The camera moved back up the bed to focus on the DSi held between her breasts; the top screen played a porn video of Becki and Molly, while the lower interactive screen had a cut-away profile of her pelvis allowing her to thrash the cuntal and anal probes from side to side using the stylus.
Becki and Molly bounced onto the bed in tiny white panties and pulled Gemma's legs apart to reveal the 3 metallic probes seeking out her juices. After a slow lick up the inside of each thigh, they each straddled one knee, trying to get off and controlling Gemma's vibrators using their own smart-phones. Becki slipped behind Molly having replaced her panties by an mk3, and demonstrated its use as a strap-on dildo, until Molly's bum hurt. Any other ideas of directing the girls were quickly abandoned and the camera man just tried to keep up with the masturbation orgy in the bedroom and fucking scenes by the poolside.
During a break in filming the director was sun-bathing by the pool, when Pam whipped off her bra, and Faye pulled down her bikini bottoms. Pam straddled her face with a well moistened pussy and Faye pinned her down by the hips, inserting a short dildo. While she couldn't move or shout, the make-up girl chewed her nipples and then painted her breasts bright blue.

Molly's mum checked out the exercise cycles in the gym where Mike had replaced a saddle with his own design containing two probes driven by the pedals. Mike stood behind her, supporting her boobs and giving instruction to select a penetration 'gradient' and cycling speed for maximum effect. Mike spurted up her back when she climaxed noisily.
After smearing most of lunch over Mike and licking it off they pulled on some clothes and trooped off to a park to practice hiding behind trees and flashing their tits at old men. They drew quite a crowd of girls as young as ten wanting to know how the mk3 worked and where to buy one.
Back at the house Molly and the make-up girl, who had very small hands, re-enacted the fisting scene that I had found on dad's laptop back in Episode 1.
Editing the final advertising video down to only 20 minutes of pure filth including some of my photographs and film clips was not easy, but very enjoyable for Mike and Pam in their workshop.
The original purpose of the Sybian Club to loan out Molly's mum's expensive masturbation machine was overtaken by the mk3 that everyone could afford, but the ladies still met most months to swap stories and pussy juice.
1 comments

anonymous readerReport

2013-10-25 21:49:28
QrRoaX Thanks for the blog post.Thanks Again. Keep writing.

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