However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. Bestiality is illegal in many countries. The act may be carried out face to face, or head to tail, with the woman recommended to be on top if she has smaller breasts. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, irrumatio, or intercourse. The genres of pornography are based on the type of activity featured and the category of participants, gaysex for example mateur pornography is a category of pornography that features models, actors or non-professionals performing without pay, or actors for whom this material is their only paid modeling work. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing model head. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . Some men also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. Typically featured are hitting, choking, porn milf name-calling and hair-pulling. Pregnancy fetishism is a context where pregnancy is seen by individuals gay hentai or cultures as an erotic phenomenon. Pornography may fall into more than one genre. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography.