The first film was released in 1980 starring Kay Parker. Jail/Prison/Police pornography involves people in police custody or inmates in jails or prisons in various sexual situations, such as strip searches or body cavity searches. A large part of the popularity of these videos is seeing how regular and normal the girls are in real-life. Given the wide range of practices, some of which may be engaged in by people who do not consider themselves as practicing BDSM, inclusion in the BDSM community or subculture is usually dependent on self-identification and shared experience. Asian fetish is a slang term which usually refers to an interest, strong attraction or preference for people, culture, or things of Asian origin by those of non-Asian descent. High heel pornography involves women or men dressed in high heeled shoes. Sexual arousal from a particular body part is classified as partialism. This is commonly called double anal or double stuffing. Instead, lesbian relationships have often been regarded as harmless and incomparable to heterosexual ones unless the participants attempted to assert privileges traditionally enjoyed by men. Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person anus, or anus and rectum, for sexual pleasure. In the 1920s, Havelock Ellis reported that turn-of-the-century seamstresses using treadle-operated sewing machines could achieve orgasm by sitting near the edge of their chairs. RACK may be seen as focusing primarily upon awareness and informed consent, rather than accepted safe practices. It is distinguished from these concepts in that the cuckold thrill in their partner acts is specifically masochistic; as such it is considered a category of BDSM fetish. This type of censoring also extends to comics, gayporn video games, and anime made for adults. Hamedori-type videos were produced from the beginnings of Japanese AV in the early 1980s. Am Abend , one of the earliest pornographic films that have been collected at the Kinsey Institute for Research in Sex, Gender, and Reproduction, starts with a female masturbation scene.