Getting cum samples is not easy: bitches are using trampling, strap-on and cock teasing to make test subject ejaculate
Mad scientists ate checking out if cum can be pumped out of the balls with electric shocking device
Bald male is fully exposed in front of sexy doctors: submitting and stroking his cock on command
Ladies in medical uniforms are measuring cock and balls checking is those are suitable for sex
Blindfolded dude is having a domme lady sitting on his face and stroking his cock violently
