Humiliated male slave is on all fours when slutty nurses are teasing his penis and probing ass in rubber gloves
Classy bitch is taking notes describing the process of attaching big weights to test subject's penis and balls
Cruel milking scene where one gal is topping the guy's face while another is operating his cock with her hands
A couple of sluts are stripping down and using a great deal of pussy smotheirng to keep dude hard as long as possible
Man is stripping himself down in front of lady doctor and her nurse: doing exercises on command
