Various groups within society have considered depictions of a sexual nature immoral, labeling them pornographic, and attempting to have them suppressed under obscenity and other laws, with varying degrees of success. It is common for this position to form part of BDSM, involving dominance and submission, though this need not be the case. Facesitting is common among dominant and submissive individuals, for demonstrating superiority and for sexual gratification. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. The fetish centers around this fantasy portrayal. Cum-shot pornography gay twinks features a collection of male ejaculation scenes. Pleasure for the giver during anilingus is usually based more on the principle of the act. When questioned about her particular kink Covét replied, If we women have to take it from behind, then why not a man? This is also the case in many relationships not considering themselves as sadomasochistic; it is considered to be a part of BDSM if it is practiced purposefully. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. It generally contains nudity or partial nudity in sexually suggestive situations. For example, the Kama Sutra, in particular, goes into specific detail on how to properly strike a partner during sex. Actors are mostly amateur; any well-known actors in bisexual porn tend to be from the gay pornography industry. POV pornography involves camera angles designed to provide the viewer a view similar to that seen by one of the participants, whose face is never mature milfs shown. The first anime hentai film was released in 1980 starring Kay Parker. Social attitudes towards the discussion and presentation of sexuality has become more tolerant and legal definitions of obscenity have become more limited, leading to an industry for the production and consumption of pornography in the latter half of the 20th century.