Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, or drawings. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Diaper pornography involves performers wearing diapers, sometimes lesbian hentai with an adult performer acting in the role of a caretaker. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. In modern BDSM vernacular, the queening stool allows open access to the crotch gay movies while seated. For example, naked milf in Australia it is rated Refused Classification . Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity and their partner. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. In human sexuality, a threesome is sexual activity that involves three people at the same time. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing model head. If one person is penetrated by two objects, it is generically called double penetration . The existence of such content in commercially available pornography is widely considered an urban legend. Terminology for roles varies widely within the various BDSM subcultures.