Miss Roberts is teaching a class of young girls how to perform a prostate massage. The Teacher calls in a Lab Rat, and walks the young girls through the process step by step. Miss Roberts demonstrates the art of lubricating the asshole. and inserting the first finger "slowly". and then progressing to a second finger. Miss Roberts shows the Girls how to apply pressure to the Prostate Gland, while stroking the erect penis. "This will cause a larger than normal ejaculation" She explains. The class watches in horror as Miss Roberts Milks the male's prostate while Jerking an enormous. and lengthy cumshot out of him!! "Now. for homework Girls. I want every one of you to go home tonight. and shove your finger up someone's ass!!!!".