The original definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Examples of mentally oriented practices are education games, during which the dominant requires certain forms of behavior from the submissive. The term Asiaphile is sometimes used to describe the same phenomenon lesbian milfs as is yellow fever . The name is a reference to gonzo journalism, in which the reporter is part gay fuck of the event taking place. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. Irrespective of the legal or social view of pornography, it has been used in a number of contexts. There has been an increase in discussion and portrayal of masturbation in art, popular music, television, films, and literature. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. The act may be carried out face to face, or head to tail, with the woman recommended to be on top if she has smaller breasts. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as hentai movies extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk. Sexologist Alfred Kind suggested that the buttocks is the primary sexual presentation site in primates. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals.