Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. This may help them develop their orgasm, increase its pleasure, and may inspire them to masturbate on a more frequent basis. This can, however, redirect semen into the bladder . Bestiality is illegal in many countries. Specific sex acts Anal Anal pornography features anal penetration with a penis, dildo, other objects, or some combination of them. There has been an increase in discussion and portrayal of masturbation in art, popular music, television, gaysex films, and literature. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants hentai movies be of sufficiently sound/sane mind to consent, and that all participants do consent. 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. Dwarfs or midget pornography features performers who are dwarfs/midgets. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance. Double Stuffed , Double Vaginal , big tit milf or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. 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 extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk.