The smotherbox is placed on a stable surface. Participants who exert sexual control over their partners are known as dominants or tops while participants who take the passive, receiving, or obedient role are known as submissives or bottoms. It is sometimes combined with BDSM features. A homosexual threesome momsex would involve either three men or three women. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. In modern BDSM vernacular, the queening stool allows open access to the crotch while seated. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination. A variant of A2M is ATOM where a performer inserts his penis directly from one recipient anus into a second recipient mouth. The current record is held by Lisa Sparks who had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. In the fetish cuckolding videos porno gay subculture, it is most common for the female to take on the sexually dominant role and the male the submissive role, however, female subs, sometimes hentai movies referred to as cuckqueans, also exist. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions.