Weird medical tests require man to wear bizarre electrified device around his manhood and lick pussy on command
A couple of sluts are stripping down and using a great deal of pussy smotheirng to keep dude hard as long as possible
Classy bitch is taking notes describing the process of attaching big weights to test subject's penis and balls
Unhuman tests where girls are trying to get man hard by channeling electricity through is body
Milking is too long and too painful when it is performed under the guidance of perverted female doctor
Doctor is becoming horny when watching redhead is pushing strap-on dildo deep into exposed man ass
