Girls has to use little bit of force when in need of examining cock and milking cum samples
Weak penis is to be violently examined by girls in uniform and then their attention with a few masturbation techniques applied
Bitchy doctor turned a couple intp BDSM slaves and focring them fuck doggy style on command
Classy bitch is taking notes describing the process of attaching big weights to test subject's penis and balls
Getting cum samples is not easy: bitches are using trampling, strap-on and cock teasing to make test subject ejaculate
