Anti-pornography psychologist Ana Bridges and colleagues conducted a content analysis of best-selling heterosexual pornographic videos showing that over 96% of all scenes concluded with a male performer ejaculating onto the body of his female partner. Similar to Freud idea of a fetish, Bhabha defines racial fetish to be a fixation on other races being not different, but lesser or mutilated versions of the white male. However, sex researchers and adolescent health care professionals have found no evidence for the existence of rainbow parties, and as such attribute the spread of the stories to a moral panic. Studies indicate that anilingus is a rare sexual practice between women. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. Sexual arousal from a particular body part is classified as partialism. There is a substantial amount of incest pornography on the Internet, leading some to argue it may legitimize or encourage real-life incest. Hamedori-type videos were produced from the beginnings young gay porn of Japanese AV in the early 1980s. Gaping in pornography refers to scenes of anal sex with a focus 3d hentai on the recipient’s anus remaining open for a period of time after the erect penis or dildo is removed. Erotic spanking is the act of spanking another naked milf person for the sexual arousal or gratification of either or both parties. This is sometimes the case for punishment scenes between master/slave couples or for some extreme or edgeplay scenes which may include abductions, rape play, or interrogation. Erotic literature and pornographic films have been devoted to the sexual uses of glory holes. In the United States, creating, distributing, or possessing crush videos has been illegal since 1999, and many other countries also have banned them.