Testosterone discourages fat storage in these areas. For example, in Australia it is rated Refused Classification . Women who perform in lesbian pornography often do not consider themselves lesbian or bisexual. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. They may be noted for using risqué themes, graphic violence, sexuality or black comedy in a manner that is unsuitable for younger audiences. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. 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. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. Sexual relations between women have been illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Typically featured are hitting, lesbian hentai choking, gay twink porn name-calling and hair-pulling. John Stagliano is considered to have started the gonzo pornography genre with his Buttman series of films. The most common type of erotic spanking is administered on the bare milf xxx buttocks, but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. 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.