David gives Andy his porn collection, encouraging him to masturbate. Some people masturbate by using machines that simulate intercourse. The customer then pays to watch a girl strip, pose, and masturbate. Zoroastrian hell is also said to have sinners forced to defecate and masturbate continually. She proceeds to put on his clothing and masturbate on his bed. Rose allows 13-year-old Buddy to masturbate her. Emmanuelle begins to masturbate as she recounts the tryst. Some among them suffer so severely that they masturbate. They may have windows so "buddies" may watch each other masturbate. She believed that one's diet had a direct correlation with one's urge to masturbate. One victim claimed that Gugliemelli had explicitly asked them to masturbate on camera. He even pretends to masturbate on the air. Tig is so happy about that he offers to lend Chuck his hand to masturbate. This afforded him the privacy to masturbate without discovery. Dodson's workshops and manuals encourage women to masturbate, often in groups.