However, bisexual pornography is often placed near the gay section gay movies in adult video stores, since many consumers are gay men. The term applies to the depiction of the momporn act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. A homosexual threesome 3d hentai would involve either three men or three women. The smotherbox is placed on a stable surface. Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals. Other fetish Bareback pornography features performers who are not wearing condoms. The term combines elements of the Freudian psychoanalytic fetish and the Marxist commodity fetish, and is used in the context of British, Spanish and French colonialism and imperialism and their aftereffects. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Since development and pronunciation of the buttocks begins at menarche and declines with age, full buttocks are also a symbol of youth. This can, however, redirect semen into the bladder . Some straight actors have started acting in gay porn only to be accused of being gay while others first step was to strictly do solo scenes. The name is a reference to gonzo journalism, in which the reporter is part of the event taking place. Types of anal sex can also be a part of lesbian sexual practices. Dwarfs or midget pornography features performers who are dwarfs/midgets.