Getting cum samples is not easy: bitches are using trampling, strap-on and cock teasing to make test subject ejaculate
Sluts are humiliating bald guy in a CFNM scene: making him stroke his cock and then measure it with the tools
CFNM slave is exposing his ass like a slut so girls in robes could finger it and to other kinky tests
Man is stripping himself down in front of lady doctor and her nurse: doing exercises on command
Milking is too long and too painful when it is performed under the guidance of perverted female doctor
Medical student sluts are studying penis: examining, measuring it and then milking cum samples
