The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . Dwarfs or midget pornography features performers who are dwarfs/midgets. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. A few extremely flexible males can reach and stimulate hentai porn their penis with their tongue or lips, and so perform autofellatio. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being. 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 momporn decrease risk. This may help them develop their orgasm, increase its pleasure, and may inspire them to masturbate on a more frequent basis. The term is a slang word that originated in the gay community and comes from the equestrian term bareback, which refers to the practice of riding a horse without a saddle. Individuals are also sometimes abbreviated gay boy porn when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit.