As always a huge thanks to my editor Cheer_Smartie526.
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Rick began final assembly of his invention. He threaded the small egg shaped vibrator onto the threaded shaft. One end of the shaft was capped by a motor; the other end had a battery case with bearing and a micro switch on it. The wires connecting the motor to the battery ran though the hollow center of the shaft. He turned the motor on and the egg slowly moved up the length of the shaft. When it hit the micro switch at the end of the shaft the motor reversed direction and the egg began to travel towards the opposite end. He watched it complete the cycle several times, and then pressed the stop button on the remote control.
Rick checked to make certain the two metal rings at the end of the egg were pressed against the charging contacts then slipped the entire assembly into the penis shaped outer case. The case had been the most difficult part to fabricate. It was made out of medical grade silicon. Rick had tried for almost a month before he was successful. The case he was working with could stand some improvements, but it would work well enough for what he had in mind. Rick connected the device to the microcontroller. The brains of the unit could stand to be smaller, but what he had would work for the prototype. He wondered if Nancy knew this was how he would use the programming skills she had taught him.
Rick pressed the start button again and heard the motor start turning. He could see the bulge of the egg shaped vibrator move along the length of the device. As it approached the back end the motor strained and the swelling increased considerably. This end had wedges in it that amplified the bulge. The egg reached the end of its travel, hit the switch, and reversed direction. Rick picked up his invention and pressed a button on the remote. He thought the idea of putting the remote inside the shell of an old cell phone was particularly brilliant. Nobody would take a second look at him playing with a phone. The little egg sprang to life and the entire device quivered in his hand. Rick squeezed the tip of the vibrator and the power turned off. He put the toy into a plastic case and loaded it into his bag. He picked up his phone and dialed Lynn's number.
"Hi Lynn, I have a question for you."
"Okay," Lynn replied.
"Is your offer still good?" Rick asked.
"Which offer?" Lynn replied
"To restrain you, tease you and then fuck you."
"Such language," Lynn replied, her voice dripping with Sarcasm, "I like it."
"Is that a yes?'
"You certainly know how to charm a girl."
"Sorry, I have been thinking about this for a while, I guess I got excited," Rick said.
"I'm not complaining, just thinking about being naked and tied up has me excited. I am going to be naked, right?"
"You will end up that way. Meet me at the south entrance to the mall. I need you to wear a long sleeved button down shirt with a collar and a skirt. If you wear a bra it should fasten in front. Panties are optional."
"You are being pretty picky. Are there any requirements for my choice of shoes?"
"No, not really. I like boots, but wear whatever you want." Rick replied.
"Okay, I will be there be there in thirty minutes," Lynn said.
"See you there," Rick said as he ended the call. The toy and the rest of his gear went into a messenger bag.
Right on time Lynn saw Rick's car pull into the mall parking lot. She had arrived early; excited about the many things she thought Rick might do to her. She had forgone panties since Rick said they were optional. It sounded exciting in the confines of her room. Now that she was outside she realized a stray breeze could give everyone at the mall a view of her shaved pussy. She wondered how long Rick planned on staying here.
"You look perfect," Rick said as he approached.
"I aim to please," she answered in a submissive voice. Rick held out his hand. In his palm was a choke chain necklace,
"This is for you."
Lynn picked it up and fastened it around her neck. It was snug, but not too restrictive. Two thin chains hung off the necklace and settled into her cleavage. She felt Rick clip a very short leash to the necklace.
"It has a breakaway link so it won't actually choke you," Rick explained
"It's fine," Lynn assured him. Sometimes she wished Rick was a little less concerned with her safety. His focus on risk management occasionally bordered on the obsessive.
"Great, put these on," Rick said, handing her a pair of sunglasses. When she put them on Lynn realized the lenses had been blacked out. Two small pinholes, each slightly off center, allowed her to see a tiny portion of the world around her. She felt Rick put his arm over her shoulder. He tugged lightly on the leash.