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. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . Rainbow party A rainbow party is an urban legend spread from the early 2000s. It like associating every Christian with the zealots who cause religious wars. For example, gay twink porn in Australia it is rated Refused Classification . It is commonly depicted in pornography, but very rarely in mainstream cinema. Entacle erotica describes a type of pornography most commonly found in Japan which integrates traditional pornography with elements of bestiality and a fantasy, horror, or science-fiction theme. Rainbow porn milf parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. 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 be of sufficiently sound/sane mind to consent, and that all participants do consent. Sexual relations between women have been illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. If ejaculation is onto the other person face it can be called a facial. Is also common of the furry hentai sex genre. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene.