In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. Initially, few animation studios in the United States attempted to produce animation for adult audiences, but later examples of animation produced for adults would gain mainstream attention and success. Through the 1990s, mainstream movie and television actors have been more willing to portray homosexuality, as the threat of any backlash against their careers has lessened and society acceptance of gay and lesbian people has increased. Sometimes special furniture is used, such as a queening stool or smotherbox. Since at least 1973, it has also been used to refer to a sexually attractive young woman. In some societies, the terms fox, plum, chick, or chicken are preferred. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. Buck Angel is the best-known actor in this genre. Cum-shot pornography features a collection of male ejaculation scenes. While bondage is a very popular variation within the larger field of BDSM, it is nevertheless sometimes differentiated from the rest of this field. Men gay bear porn and women may masturbate until they are close to orgasm, stop for a while to reduce mature milfs excitement, and then resume masturbating. Well-known female porn stars who expressed their pleasure in pegging their male partners include Taylor Wane, Debi Diamond, Brittany Andrews, and Monique Covét. The Japanese lesbian hentai sex industry uses the term Paizuri . Bhabha, Anne McClintock and Kobena Mercer. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male employers. Gonzo porn is influenced by amateur pornography, and it tends to use far fewer full-body/wide shots in favor of more close-ups . Pornographic films present sexual fantasies and usually include erotically stimulating material such as nudity.