Doctors want male to go on all fours and take a strapon in his ass after his balls measured with special tool
Couple is visiting doctor: both are undressed, put on all fours and having their asses probed
Milking is too long and too painful when it is performed under the guidance of perverted female doctor
A couple of nurses are going wild when stroking a cock trying to collect cum samples from the test subject
Classy bitch is taking notes describing the process of attaching big weights to test subject's penis and balls
Dude is following doctor's orders: taking poses so girls could explore and tease him nicely
Hot girl is facesitting male sub and stroking his cock under the guidance of a doctor
Bizarre medical tests where collared and leashed male is forced to fuck while doctor is watching
