Sigmund Freud considered foot binding as a form of fetishism. If one gay cock person is penetrated by two objects, it is generically called double penetration . The term bondage describes the practice of Physical restraining. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Reality and voyeur pornography, animated videos, and legally prohibited acts also influence the classification of pornography. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Types of anal sex can also be a part of lesbian sexual practices. Bondage/BDSM gay hentai Bondage pornography features performers tied up or constrained in various ways. Once insertion is complete, the fingers are momporn either clenched into a fist or kept straight. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. The niche popularity grew significantly in the latter half of the first decade of the 2000s. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing model head. 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. Arcane or occult pornography involves sexualized situations with an occult or magical tone or performers who costume themselves in keeping with the theme, for example, a male performer dressed as a wizard.