I climbed down the ladder to examine the tanks. Finding a gauge on each tank, I noted that each tank was 90% full. I also found an inlet tube which we...t through the wall into the monitor room. I noted its position so I knew where to look in the room when I returned to it.Climbing back up the ladder and closing the trap door, I followed the small tube to where it branched out. Following one, it lead to the air vent above the bed. I followed the other one and it led to the air vent above the. Tom was doing a good job of licking. I told him to stick his tongue inside of me. His tongue hit a particular spot, and I felt like I got shocked."Yes, that's it. Don't stop."He must have liked doing it because he kept on after I had stiffened up. I started to breathe heavily, and I pushed my crotch into Tom's face. I arched my back and had to put my hands behind me to keep from falling backward. After a while, I said, "That's enough, Tom, thank you." Tom looked up at me with a wet face, and. This was turning her on ever more, but I did it for a reason. I was doing everything I could not to explode cum all over her. She was that sexy, that good, I had to do what I could to restrain myself. Eventually, I slide my still hard as a rock cock in her ass. I pump away. Sweat is pouring off our bodies in the hot afternoon sun. Her ass was tight, as she exclaimed that this was the first time something other than her dildo had gone there. I was pounding so hard, the smacking of our flesh. Rosalynn, my Hispanic cleaning lady, could take them for hours at a time with seemingly no problem. But I knew that for Rita, those same clamps would take her very close to the edge. The clamps were a pair joined by a chain. I parted the jaws and held them close to her nipples. Poor Rita did not even have a clue what she was about to experience. I felt my manhood stiffen.?Count back from three, Rita.?She stiffened her body, and began. ?Three?two?one?.Aaaaaahhhhhhhhhhhhhh!!!!!?Her body jolted.