The experiment will be done on this chair. You will decide how long he will be restrained on this chair. The subject's ankles, knees, hips, chest, neck and hands will be tied to the chair. Cock polisher machine will be put on his cock and it will thrust and rotate around his penis. Hard and fast. The entire time. No matter how many times he cum. Each stroke will bottom out and push on the head of his penis. The subject will be extremely sensitive after he cums but the machine won't stop. You may notice an anal probe. It will have a dual purpose. The first is stabilization. It will prevent the subject to move and keep him in the right spot for optimal cock polishing. The second one is electrostimulation. I will use it to deliver electric shocks to his P-spot and make his cock erect. The subject has to stay hard as long as you want me to do this to him. It will maintain his erection. 1$=1min Each tip will be a full session. I will do 1 session per day on him and I will do this to him...

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