Regardless of its origin, BDSM is used as a catch-all phrase to include a wide range of activities, forms of interpersonal relationships, and distinct subcultures. As most porn is marketed to men, most bisexual porn is marketed to heterosexual or bisexual men. The surfacing of sex tapes has anime hentai become so common that some are leaked as a marketing tool to advance or establish a media career. The performance of a facial is typically preceded by activities that result in the sexual arousal and stimulation of the ejaculating participant. 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. Yiff or Yiffy pornography features Furry or anthropomorphic animals in an erotic or sexual context. BDSM has become an umbrella term for certain kinds of erotic behavior between consenting adults. Cartoon Network has dedicated a late night programming block to adult animation, known as Adult Swim. Fisting may be performed with or without a partner. The term hamedori came into use about 1988–1989, but it was only a small niche area until it was popularized at V&R Planning by director Company Matsuo. Strappado with rope and a spreader bar. 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. Heterosexual actors and actresses who have appeared in bisexual porn, for example Kurt Lockwood, have had their sexuality questioned and been stigmatised; and have been accused by the gay community of being in denial about their sexual gaysex orientation. Bondage is usually, but not always, a sexual practice. It generally contains nudity or partial nudity in sexually suggestive situations. Yuri is the lesbian equivalent. It can also be heightened horny milfs by the person saying that they have to urinate. Moreover, many gay or bisexual men who star in gay porn films may wish to be identified publicly as heterosexual for personal or professional reasons.