Bestiality pornography involves the sexual attraction of humans to animals. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. Yuri is the lesbian equivalent. For example, the Kama Sutra, in particular, goes into specific detail on how to properly strike a partner during sex. Some diaper wearers wear their diapers for limited amounts of time, while others prefer to wear them on a 24-hour, seven-day schedule. Animated films of this nature paved the way for several groundbreaking animated television series, such as The Simpsons , The Ren & Stimpy Show , Beavis and Butt-head , Rocko Modern Life , Space Ghost Coast to Coast , Duckman , King of the Hill , South Park , Family Guy and Futurama . While most tentacle erotica is animated, there are also a few live-action movies. The other is in the gay hentai top of the box gay movies to expose their face. These disappeared with a crackdown on pornography in the late 1950s. Anal sex is considered a high-risk sexual practice because of the vulnerability of the anus and rectum. Wetlook pornography involves clothed wet persons. Making a pearl necklace is one of the activities that sex workers use as safe sex alternatives for people who refuse to wear naked milf condoms. If the penetrating objects are penises, this is sometimes called the spit roast or the Chinese finger trap. Incest pornography is a genre of pornography involving the depiction of incest . As of 2010, they were reported to live together as a monogamous couple outside of their porn careers and want to continue working together for another 50 years. There are currently no known laws forbidding the crushing of objects and insects, however the production or trade of crush erotica involving live vertebrates is condemned by animal rights activists and is illegal in many countries, including the United States and Great Britain. Spanking or whipping pornography involves spanking or whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips.