Dr Ava's Guide To Prostate Pleasure from Zero Tolerance. Being open to prostate play can be empowering for a man, and having his prostate stimulated can result in mind blowing orgasms for him. This video takes a step by step approach to prostate pleasure with erotic demonstrations that show specific techniques guaranteed to increase orgasm intensity and duration. From beginner finger play to external prostate massage, intermediate exploration with sex toys and milking methods, to advanced prostate combinations with oral sex and intercourse, this instructional DVD covers everything you and your partner need to know about prostate play! Starring: Dr. Ava Cadell