The sub-genres usually conform to certain conventions, and each may appeal to a particular audience. Lesbians may encounter distinct physical or mental health concerns arising from discrimination, prejudice, and minority stress. The meaning of hentai is perversion, abnormality, or metamorphosis. For example, the Kama Sutra, in particular, goes into specific detail on how to properly strike a partner during sex. The films were financially successful, winning AVN Awards for the best selling pornographic films of their year; however the events were effectively un-officiated and the record breaking claims often misleading. Interracial pornography typically employs ethnic and racial stereotypes in its hentai sex depiction of performers and many of interracial pornographic films still include racial stereotypes, although the segregation of actors by race has diminished considerably. These typically are leaked to the public via the Internet, with or without the celebrity consent. The partition maintains anonymity. Bondage can also be achieved by spreading the appendages and fastening them with chains to a St. High heel pornography big tit milf involves women or men dressed in high heeled shoes. Often, slave contracts are set out in writing to record the formal consent of the parties to the power exchange, stating their gay fuck common vision of the relationship dynamic. A threesome is a form of group sex, but involving only three people. 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. The 1979 U. Weather Report Girl is considered yuri hentai in English usage for its depiction of lesbian sex, but in Japan it is just yuri. Pleasure for the giver during anilingus is usually based more on the principle of the act. Typically features a feminine Uke, or submissive, and a masculine Seme, or dominative. Pegging is a recently invented word which features a woman penetrating a man with a strap-on dildo.