If dramatic skills are not involved, a performer in a porn film may also be called momsex a model. Incest itself is largely taboo, and is a crime in many countries. 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. For some people, non-penetrative sex is the primary sexual activity of choice above all others. Its gain in celebrity porn prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Real medical gay twinks shots or videos may violate privacy laws in some countries. Older names for a pornographic film include stag film, and blue gay cocks movie. Interactive pornography, available in CD-ROM and DVD format, allows the viewer to select the particular acts performed at any one time, sometimes with the camera providing a first person view. 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. Some men also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. Buttocks are sometimes emphasized hentai porn in pornography, where hot gay sex they are often referred to as booty. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Works in this genre may be considered adult for any number of reasons. Femdom features BDSM scenes in which the dominant partner is female. 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. Boots are seen as the perhaps most fetishistic of all footwear and boots may be the most popular fetish clothing attire.