Softcore gay pornography also exists; it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. Once insertion is complete, the fingers are either clenched into a fist or kept straight. In human sexuality, a threesome is sexual activity that involves three people at the same time. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. For example, in Australia it is rated Refused Classification anime hentai . The name is a reference to gonzo journalism, in which the reporter is part of the event taking place. Pornography in Japan is large and intertwined business of adult entertainment with unique characteristics that readily distinguish it from western pornography. Klaw ran an international mail-order business out of his store, Movie Star News, selling cheesecake pinups and bondage/spanking photos. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. Each participant may engage in any type of sex acts with one or both of the others, such as vaginal, anal or oral sex or mutual masturbation. If ejaculation is onto the other person face it can be called a facial. Simultaneous porn milf penetration gaysex of the mouth and either the vagina or anus. A few extremely flexible males can reach and stimulate their penis with their tongue or lips, and so perform autofellatio. There has been an increase in discussion and portrayal of masturbation in art, popular music, television, films, and literature. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session.