By the time Chuck put the cane to the side I had a fine sheen of perspiration covering my body. I wanted him to touch me, to take me. He did neither. He left me alone and I could hear him moving around behind me. I heard soft clinking sounds, a whirring noise, and he was quietly humming as he worked. My curiosity had been aroused and my mind was filled with all kinds of images.

When he released me from the stocks, I resisted the urge to turn and look at whatever he had been working on. I knew that I would find out soon enough. He led me over to a small restroom in the corner of the room. I was made to sit on the toilet and he told me to pee. As embarrassed as I was, it took a while for my bladder to release, but it finally did. I washed up with his help. I sneaked a peek in the mirror at my ass cheeks to see if there were any marks from those sea creatures, but saw only a faint red spot on each cheek. It was almost as if it had never happened! I could still remember the pain I felt when they released and suppressed a slight shudder. It was like the pain felt when nipple clamps come off, but multiplied a thousand times over.

I gave my thoughts a mental shake and stepped in front of the warm-air dryer as directed. He took me back out to the room and had me kneel in the 'present' position. I watched eagerly as he opened his pants and took out his hard cock. I was more than ready for this. I had been craving it since the caning. His cock was a velvet covered rod of steel in my mouth and I lovingly licked and sucked until he came. I had even taken it deep in my throat a few times, holding it there until I felt a gag coming on, and then slowly sucked as I pulled my mouth along it's length. I hope he was happy with my skills, but he gave no indication of what he thought.

I finally got to see what had been keeping him so occupied when I was cooling off in the stocks. It looked like an exercise bike, but it was an exercise bike on steroids! As we walked towards it I examined it. The seat was nice and wide, kind of like a Harley Davidson's seat, but any thought of being 'comfortable' was negated by the tip of the dildo sticking up through it! I glanced quickly at Chuck and he smiled and motioned for me to sit on the seat. I sat and could feel the tip of the dildo just barely touching the lips of my pussy. Chuck strapped my ankles so that I could not remove my feet from the pedals, then did the same with wrists to the handlebars. My midsection was next to get strapped to a bar that wrapped around behind the seat.

I waited as he walked behind me. The tip of the dildo retracted either into or below the seat level and I couldn't feel it anymore. I heard the snap of a bottle being opened and then a few moments later the dildo once again touched my lips. A click and then the dildo rose up and in, then down and out, up and in then down and out. Another click and it stopped. I heard the sound of liquid being poured then Chuck walked in front of me, pulling something around my chest and securing it to a brace behind me. The thing around my chest tightened and I looked down at by breasts in surprise. They were poking out through holes in the bondage device and were looking swollen already. Mmmmmmmmm that felt nice.

As I sat there, thinking about how nice all this was so far, Chuck tweaked my nipples a couple of times and then applied clamps. They had a nice bite to them and the breast bondage heightened it. Mmmmm yes, even better I thought. My eyes widened when I saw him attach the wires to the nipple clamps.

Chuck stepped back and walked around me slowly, testing my bonds, adjusting things here and there then threw a few switches and I heard some clicking as if a dial were being turned. I flinched, but nothing happened.

He walked back in front of me and said, "Stella, I like subs to get enough exercise, so you're going on a ride here, at whatever pace you choose to set for yourself. After your first two miles, the device expects you to go a bit faster, after five faster still. Faster after ten, and more so after fifteen. At twenty miles, you are done! We'll have a treat for you then. You have a Gatorade nipple next to your head, and I want you to stay hydrated so drink every ten minutes or so. You WILL have access to the gear-shift so the pedaling won't be anything extreme for you, and the machine is set, today, to have your course all on the flat."

He paused, then resumed talking with a mischievous smile on his face, "Now for the fun parts. In the first five miles, you get the dildo pistoning every 10 turns of the wheel, and as you go further, it happens more often. You may *try* to cum, if you can, as often as you wish. Be ready, though, for an occasional concern with that effort. I'll be sitting right here watching and taking care of the business while you ride. Have fun!"

At that cryptic statement, he patted my on the shoulder, then gave me a very nice deep kiss. I turned my attention to my task and started to pedal. Knowing that I would eventually have to go faster, and also knowing that I had to ride for twenty miles, I started out at an easy 5mph. I set the gears at a mid-range, so that my rpms weren't going to exhaust me before I could get far. It was a meandering pace, sort of what you'd do if you were a little old lady pedaling a three wheeler I know, but I wanted to warm up before going faster. The first piston of the dildo startled me, and I'm sure Chuck saw me jump. I could hear a low chuckle come from him.

After a couple of minutes, I amped it up a tiny bit and increased my speed and changed gears. I had no idea how far I had gone but had done some triathlons, so had an idea that I had maybe done a little over a mile. My conundrum was that I knew even at top speed it would take over an hour to do twenty miles, so I had to pace myself. A couple of times during the first few miles, the pistoning of the dildo made me falter. I figured out when I passed the five mile mark; the dildo started pistoning more often, causing havoc with my system. I had to remember to turn my head and drink the Gatorade. That was one of my faults during my triathlons and the training. My coach always said I was bad at staying hydrated.

I wasn't so sure I wanted to try to cum. He made it sound like something bad might happen. About the time I had the bike up to a cruising speed of 15mph with a slightly higher gear to amp up the rpms, I was at the point where my body wanted to cum. I tried to ignore the urges and did a fairly decent job of it, but it was inevitable. I could feel my pussy clench in it's first spasm and my legs slowed down, I forgot to keep pedaling. My whole being was tuned into the orgasm that was starting to rocket through me. I started to moan, only to cry out as I felt a shock to my nipples. It jolted me and now the dildo felt different. It burned, itched, swelled. I gasped and started pedaling again, quickly getting back to the 15mph. The shocks stopped and the dildo resumed it's pistoning.

I looked over at Chuck, incredulous at the ingenious contraption he had strapped me to. He simply grinned back at me, then turned his attentions back to his laptop. I could hear the keyboard as he tapped out emails and such. Occasionally, the phone would ring and he would answer it.

My ride went on like this for a while. Every time I reached the pinnacle of an orgasm, the nipple shocks and the dildo put me back to task. I think I finished the twenty miles after an hour and a half. By this time I was trembling, exhausted from fighting my body's urges, dying to cum.