The legal status of masturbation has also varied through history and masturbation in public is illegal in most countries. Well-known female porn stars who expressed their pleasure in pegging their male partners include Taylor Wane, Debi Diamond, Brittany Andrews, and Monique Covét. Given the wide videos gays 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. Arguably the most famous example of the genre is the Taboo series. Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness. 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. Initially, few animation studios in hentai movies the United States attempted to produce animation for adult audiences, but later examples of animation produced for adults would gain mainstream attention and success. The fetish centers around this fantasy portrayal. Masturbation involves touching, pressing, rubbing or massaging a person genital area, either with the fingers or against an object such as a pillow; inserting fingers or an object into the anus ; and stimulating the penis or vulva with an electric vibrator, which may also be inserted into the vagina or anus. BDSM has become an umbrella term for certain kinds of erotic behavior between consenting adults. In male homosexual pornography, Treasure Island Media is a notable representative, porn milf its title Breed Me having been noted as one of the earliest and most notorious in the genre. Dogging is a British English slang term for engaging in sexual acts in a public or semi-public place or watching others doing so. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. Some couples use a threesome as a way to develop a love triangle .