Rimjob pornography centers around anilingus. The Girls Gone Wild series is one example. Lying face down one may use the hands, one may straddle a pillow, the corner or edge of the bed, a partner leg or some scrunched-up clothing and hump the vulva and clitoris against it. Reading or viewing pornography, sexual fantasy or other erotic stimuli may lead to a desire for sexual release such as by masturbation. Erotic spankings are commonly combined with other forms of sexual foreplay. Coprophilia , also called scatophilia or scat , is the paraphilia involving sexual arousal and pleasure from feces. Many transgender gay video people regard the term shemale as offensive, arguing that it mocks or shows a lack of respect towards the gender identity and gender expression of transgender individuals; in this view, the term emphasizes the biological sex of a person and neglects their gender. Swinging can take place in various contexts, ranging from a spontaneous sexual activity at an informal social gathering of friends to a regular social gathering in a sex club or residence. Gonzo pornography is a style of pornographic film that attempts to place the viewer directly into the scene. This type of pornography is almost exclusively hentai, as true hermaphroditic humans are not fertile and are not usually found in nature. The name was coined from the title of the controversial book. In 1988, a sex tape caused significant damage to Rob Lowe career. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. The term has also applied to other professions and even companies trying to appeal to a gay demographic. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction . Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. Following World War II, during a period of social repression when governments actively persecuted homosexuals, women developed networks to socialize with and educate each other.