Kinky way of taking cum samples requires nurse to put the cup in between her boobs and do the handjob from underneath
Classy bitch is taking notes describing the process of attaching big weights to test subject's penis and balls
Mad scientists ate checking out if cum can be pumped out of the balls with electric shocking device
Naked sluts are handling cock in rubber gloves taking cum samples and draining balls beyond limit
A couple of nurses are going wild when stroking a cock trying to collect cum samples from the test subject
Nurses are impressed with the size of the cock: rubbing it with their hands in gloves
