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I don’t think I’ve mentioned this, but I tend to hang around with smart people. It’s a strategy I used to get through high school and I’ve continued to use it through college. One of the reasons Willow and I became friends at college is that underneath her shy exterior, she is incredibly smart. During high school I hung out with the geeks. It didn’t endear me to the general population and they thought it odd to see an attractive student hanging out with the social outcasts, but I liked their company and their intelligence helped me get through school. I could always ask them anything and usually find an answer, learning something in the process.
While is it was obvious that Willow was massively multi-orgasmic, I wanted her to have a little more control over that aspect of her sexuality. Sure, it’s hot to see a woman cum nearly constantly from pleasure, but I could see it might be overwhelming at times too. Besides, it’s also super hot to have a woman in control of exactly when she cums and with how much power. Ok, and it’s also pretty damn hot to have a woman beg to be allowed to cum while she’s holding off an orgasm on command. I wanted Willow to be able to do all of those things but mainly that last one. The question was, how could I put her in control of her orgasms which would ultimately put me in control of them?
I pondered that last night while she slept the sleep of the exhausted. After a bunch of fruitless research on the web, I started thinking about biofeedback devices and that reminded me of my old friend Cindi. Cindi was one of the gang I used to hang with in high school. For the science fair one year she devised a new type of lie detector. Unfortunately one of the snob squad didn’t like her and implied she had had help from her older sister Olivia, who was in school studying engineering. She hadn’t, but the doubt cast by the accusation caused her to get low marks on her presentation. I couldn’t help but wonder if some of what she had done might be applied to Willow. Maybe some sort of biofeedback to help her learn to control her orgasms. I emailed her a vague description of what I was looking for.
She emailed me back within a few minutes, accusing me of being a pervert. Of course I’m a pervert, she’s know it for years. All of us were, actually. Geeks may be the most underrated perverts on the planet. When she asked why I wanted to train myself, I clarified and explained the situation. Cindi took it in stride and said she’d get back to me.
Two hours later I got a text message on my phone. “Got it. CU2morrow.” I guess she was coming over. I guess she’d learn more fully about Willow’s role as a house slut, which meant the old gang soon would too, which meant everyone would want to come see. Well, the more the merrier, right?
Breakfast was going well the next morning. Tommy wasn’t staring quite so hard at Willow, but he was admiring the view. Willow was more relaxed, being the only naked person present. I had decided to put her in charge of her own hair and makeup and had given her a lesson in makeup application while Tommy fixed breakfast. She was gorgeous. The people at school wouldn’t recognize her. I’d make sure she had a better wardrobe when we went back to college in the fall. Can’t walk around campus naked, after all.
“I couldn’t help but notice how multi-orgasmic you are, Willow,” I said. She blushed and didn’t say anything. “Particularly when you were in control. When you were controlling the action you had more frequent orgasms, but you still had frequent orgasms even when you were passive.”
“Is that bad?” she quietly asked.
“Oh no, I think it’s awesome. I just think we need to teach you to control them a little. Then you’ll have better, stronger ones when you want, or faster smaller ones like you have a lot of now. Once we figure out your limits I plan to implement a rule saying you have to have so many orgasms a day, but we don’t know enough yet to know what that number might be. One day this week we’ll see how many times you can cum in a day, then we’ll pick a reasonable number for your daily requirement.”
“Wow, sis,” my brother said. “That’s pretty hard core. So you’re saying Willow will have to cum so many times every day?” I nodded. “Well, Willow,” he said in his best deadpan voice, “you just let me know and I’ll help you with that whenever you like.”
Willow and I both laughed and she relaxed a little more. Humor can do wonders.
“I did some research last night then I emailed my friend Cindi. She was part of my group in high school. She’s a computer science student now but she had done some biofeedback work for a science fair. I told her what I was after and I guess she solved the problem, she’s coming over sometime today. She didn’t say when though. If I know her at all, it will probably be as soon as she wakes up.”
Tommy “accidentally” knocked his fork off the table. This was becoming a regular breakfast event. Boys! However, the doorbell rang just as he was about be use bahis siteleri that as an excuse to take a look at Willow’s pussy under the table.
“Looks like you’ll miss your breakfast peek, Tommy,” I said. Willow and I both laughed. “Would you go see if that’s Cindi?”
“Sure, anything for you and Willow,” he said as he rose from the table and went to get the door.
I winked at Willow. “He is so whipped.” We both giggled.
A moment later Cindi came striding into the room carrying a backpack. She had filled out some since I saw her last summer. She was still a little mousy with her short, frizzy brown hair, but she had rather nice body shape now and the jeans and t-shirt she had on showed it off nicely. The black t-shirt said “My Face is Up Here” in pink lettering and had an arrow pointing up. Typical Cindi. Tommy came in right behind her and Cindi immediately started talking.
“Ok, so as it turns out my sister, you remember Liv, I’m sure, built a machine kind of like a sybian that would stimulate a woman and keep her on the edge of orgasm for extended periods. I wrote the software to run it. It had a rather unique sensor based in part on some of my early work with galvanic skin response and my lie detector you referenced. There was also a different type of sensor as well that could measure small changes in muscle contraction inside the vagina. It turns out she has been working on a smaller portable and more versatile version with some extra capabilities. She let me borrow it and I wrote some code tha—did you know there’s a naked woman in your kitchen?”
Willow, Tommy, and I burst out laughing.
“Why yes, yes we did. Cindi, meet Willow. Willow, Cindi. Willow is my best friend from College and is staying with us this summer. She’s exploring her inner slut and acting as our house slut here at Casa de Tammy while the folks are in Europe working on their new business. She really gets off on being watched and has been forbidden to wear clothes around the house. I haven’t figured out the logistics of taking her out yet though without being arrested.”
“Well that goes great with you liking to watch, doesn’t it?” she asked. All my friends knew my proclivity for watching. “You don’t need to worry about the being arrested thing. Don’t you know? There are no laws against public nudity here. Liv has a friend that goes out naked all the time. You just can’t be caught doing anything sexual, that will get you arrested. Maybe we could take her out sometime, meet up with the old gang. I’m sure everyone would get a kick out of you having a, what did you say, house slut?”
“That’s great news,” I said. “That gives me so many ideas. What do you think, house slut? Want to go out in public and be seen by lots of strangers? It sounds like you might not need any clothes at all until we go back to college.”
Willow blushed but managed to say “That sounds hot.”
“Can I come too?” my brother asked.
“Haven’t you come enough times in the past two days?” I retorted. Everyone but Tommy laughed at this. He just stood there with his jeans bulging. “Was there a breeze again, Tommy? That’s quite the bulge you’re sporting.”
He blushed. “I can’t help it she’s so hot. I’m a guy, it’s what we do, we get excited around hot women. Especially if they are naked. If I could borrow Willow for like ten minutes…”
“Not right now, sorry. We have work to do but if you’d clean up the kitchen I’m sure our house slut can get you off later. The rest of us are going to go into the living room and see what we can figure out for her orgasm control.”
The three of us left Tommy to the kitchen and headed to the living room. Without direction Willow sat in the arm chair and put her legs up on the arms as she had before with her pussy spread wide for everyone to see.
“Wow, she’s…uh…well trained.” Cindi said. “Does she always do that?”
“It’s one of her rules,” I said. “Her pussy is always supposed to be open and accessible.”
“Well, it certainly is that,” she said as she sat on the sofa and opened her backpack. She continued talking as she pulled things out and sat them on the sofa. “As I was starting to tell you, I’ve written new code for Liv’s device and I think I’ve got just what we need. It’s actually controlled via a phone app I wrote or via a tablet. This is the device,” she said as she picked up something that looked a bit like an elongated ‘C’ with a large bulb on one tip. “The bulb goes into her vagina and the other end clips across her clit and up her mons to hold it all in place. As you can see, there’s a small cupped region around where her clit will be in contact.
“We’ll have to run some calibrations first, but once we have those it will begin stimulating her. There will be some electrodes attached also to help measure her responses. I’m pretty proud of the programming. I think I’ve got the whole carrot and stick idea working in the software without any real negative reinforcement. canlı bahis siteleri I’ll show you when we get started calibrating. I have the software on my iPad. We’ll need to set it up where she can see it. Also, we’ll need to restrain her so that she won’t be able to pleasure herself. Do you have anything we can restrain her with?”
“Restrain me? You mean tie me up? Oh my god that sounds so hot,” Willow said. She squirmed a little in her seat.
“I’ve got some leather cuffs Tommy picked up yesterday. One each for her ankles and wrists. We could probably use some bungie cords from the garage to attach them to the chair. We’d probably better put a towel under her too. She really lubes up. Willow, go grab a towel, would you please?”
“Sure, this is sounding more fun all the time,” she said happily as she went to get a towel.
“I really think she’s in for a surprise,” Cindi said after Willow had left the room. “This will probably be the most desperate day she’s ever had but it’s going to be so neat to watch. Could I invite Liv to come watch too? It’s her device after all and I think she’d get a real kick out of seeing it in use.”
“I don’t mind at all,” I said. “Willow just gets more and more turned on the more people there are. It’s pretty awesome, really. I’m not responsible for anyone getting super horny though but my horndog brother has a nice cock if anyone needs it. but we can always have Willow as well, assuming she’s not exhausted. That’s the beauty of having a house slut.”
“House slut, that’s such a great phrase. The gang’s going to go nuts when they hear about your latest shenanigans,” she said while tapping out a message on her phone. “I just sent Liv the address, I expect she’ll be here in a few minutes.”
“Someone else is coming?” Willow asked as she came back with her towel.
“Olivia’s coming over, Cindi’s sister. She’s the engineer who made this little device you’ll soon be trying out.”
“Neat. Do you think I’ll get to eat her and Cindi’s pussy’s later?” Cindi choked when Willow said that but Willow continued on. “So far I’ve only gotten to taste yours and it would be nice to learn how different pussy’s taste.”
I laughed while Cindi tried to recover. “We’ll see. For now, bring me that shopping bag, but no peeking. There are still a few surprises in there.”
I dug through the bag and found the 4 cuffs. Willow dutifully her out her hands as I put them on her wrists, then I bent down and attached the two to her ankles. There were clips on each one so they could easily be clipped together.
“Oh Tommy!,” I yelled. “Would you be a dear and go get two bungie cords out of the garage for us? I’ll let you restrain our house slut if you do.” I told Willow to put the towel down on the chair and be seated. She did, with her legs opened. Such a good slut.
Tommy came in with two bungie cords while Cindi was checking her phone.
“Willow, you look so hot in those cuffs,” Tommy said when he saw her sitting there waiting. “Now what, sis?”
“Willow, lean back in the seat but keep your butt forward. Tommy, take each leg and attach the cuff to the corresponding wrist. Then use the bungie cord to attach the cuffs behind the chair to the leg in the back.”
“Got it,” he said. Cindi and I watched as Willows legs and arms were pulled back over her head leaving her pussy and butt front and center. “This is the best thing yet. We should totally line up some guys to fuck her while she’s tied up like this. Can I have a turn before you get started?”
“No, you horndog,” Cindi said. “I need to calibrate the device and I can’t do it if she’s filled with your cum. Why don’t you just get naked and sit down and watch.” She winked at me when she said that and I couldn’t help but grin. He didn’t know Liv was coming over yet. This was going to be funny.
“Okay, okay,” he said and he began to strip. He quickly sat down naked in one of the other seats.
“Well, I was kidding about the naked part, but now I’m glad you did. Nice cock, kiddo.” Cindi said. Tommy blushed, then smiled, but did nothing to hide his erection. “How do you feel, Willow?” she asked.
“Really turned on,” she replied. “I hope I do get to be fucked like this sometime soon.”
“Well that’s up to your mistress,” Cindi said.
“Mistress? Are you my mistress, Tammy?”
“I’ve never really liked that term, but I guess that’s what I am since you’re my slut. Why don’t you just call me Miss when we play?”
“Okay, Miss.” She said. “That’s kinda hot too.”
I whispered to Cindi to have her sister let herself in quietly when she got here. She tapped the message out on her phone then turned back to Willow.
Cindi picked up the device then knelt down in front of Willow. “You weren’t kidding about her being excited. We won’t need any extra lube for this.” She slowly inserted the larger bulb end into Willow’s glistening pussy. Willow sighed, then that sigh turned güvenilir bahis to a moan when Cindi used the fingers of her other hand to help guide my slut’s clitoris into the grooved part of the curve. When she was done all we could see was the curved section coming up and out of her pussy and clamping onto her blonde landing strip, holding it all in place. “Ok, now I have to hook everything up.”
“The current model runs too long to depend on batteries,” she said, “so I have to hook up an external power supply. Got that right here.” She pulled out what looked like a laptop power supply and plugged it into the base of the curve. Then she took two electrodes, removed the paper tape and applied them to Willow’s thighs. She connected those to two tiny sockets near the power socket.
“Did you know there’s a naked man with an erection in your living room?” Liv asked loudly from the doorway.
Tommy jumped. “What the fuck!?!” he exclaimed as he fruitlessly tried to cover his rock hard cock. Cindi, and I burst into laughter. Liv did too.
“Oh relax, Stud,” she said finally. “I’m Cindi’s sister Liv. Didn’t she tell you I was dropping by?”
Including Liv there were now two hot blondes in the room. Liv was petite, 25 years old, stood around 5’2″ and had perky b-cup breasts about the same size as Willow’s. They were barely covered by an almost too small bikini top and she was wearing cut off shorts and sandals. It was her standard outfit. I’ve always thought she was a closet exhibitionist and she always looked hot.
“No, no one said anything,” he said as he glared and me and Cindi.
“No worries. I know what to do with that thing you’ve got there,” Liv said. She walked over to his seat, reached down and grasped his still hard cock. She gave it a few tugs and he relaxed a bit then she let go and came over to us girls. Cindi and I giggled while Tommy tried to look natural and relaxed with his cock sticking straight up in the air.
“Don’t mind my brother Tommy,” I said. “He’s had a nearly constant hard on since Willow became my house slut here at Casa de Tammy. Great to see you again, Liv.”
“House slut. I like it,” she said. “Good to see you too, Tammy. And how are you, Willow? It looks like Cindi has you all strapped down and ready to go.”
“I’m horny,” Willow reported. “Would you like me to eat your pussy later? I’ve been wanting to try more pussy besides Miss’s.”
“That might be nice, but let’s wait and see how you feel later, you might be too tired by then. Cindi, I think you were about to calibrate?”
“Right,” Cindi replied. “Willow, I need to make you cum a few times so we can measure your reactions during the pre and post orgasm states. I control everything from this tablet. Once we’re calibrated I’ll be able to show you on the tablet how close you are to cumming and you’ll learn to control that so that you don’t cum until you want to, or Tammy wants you to. Are you ready?”
“I’m definitely ready for some cums,” Willow said.
“Okay then,” Cindi said and tapped the screen of her iPad and the device buzzed to life.
“This is nice,” Willow said. The buzzing slowly intensified and her face radiated pleasure. At her usual 30 second mark she had her first orgasm. She moaned as it started and her legs shook then she calmed and the machine shut off. “Oh I sure needed that,” she said. The machine kicked into life again and the pattern repeated. After the third orgasm Cindi stopped it by tapping her iPad. “Aww, I want more,” Willow said.
“How’s it look, sis?” Liv asked Cindi.
“The data looks good. I think this is going to work. Now we need something to hold the iPad up so she can see it for feedback.”
“How about a music stand?” Tommy volunteered. “I’ve got my old one in my closet.”
“That would be perfect,” Cindi said. “Would you grab it for me?”
“Uh…okay,” he replied hesitantly. “Oh what the heck,” he declared as he stood up, his erect cock clearly on display. He walked out of the room with his cock bobbing with each step and all eyes on it.
“Well, that solves that problem,” Cindi said. “Ok, let me explain how this is going to work, Willow.” She held up the iPad so Willow could see it. See this graph that goes across the upper part of the screen? The fuller the graph the closer you are to actually cumming. This line,” she pointed at a marker about two thirds along the graph, “is the line you can’t cross. You have to learn to keep the graph from crossing this line by learning how to control what you feel while you’re being stimulated. If it goes too far past that line, that’s when you would normally cum. However, the machine will shut off and prevent you from actually cumming until you’ve held the graph below the line for the designated time. This number here, which reads zero at the moment, will count down the time until you can cum. Once you’ve held the graph down so long, you’re expected to have your orgasm. Then the machine will reset and do it again, only with a longer timer. Does that make sense?”
“Sure,” Willow said. “Try not to cum until the timer runs out, then I can cum, then do it again. The graph shows me how close I am to cumming so I can use it to help me hold down my orgasm. How long will I have to hold it?”
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