Some do not use the diapers at all, for arousal, or bladder and bowel movements. The term Asiaphile is sometimes used to describe the same phenomenon as is yellow fever . In some societies, the terms fox, plum, chick, or chicken are preferred. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. Sometimes special furniture is used, such as a queening stool or smotherbox. Individuals are also sometimes abbreviated 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. Rough sex pornography is similar to pornography lesbian hentai featuring sadomasochism, and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them. When sexual activity is centered on one of the threesome, then the activity may be described as a gang bang of the person. Examples include the Girls Gone Wild and Girls Who Like Girls Series. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Celebrity sex tapes are amateur or professionally-made recordings gay cock of sex acts, as performed by a celebrity and their partner. The genres of pornography are based on the type of activity featured and the category of participants, for example mateur pornography is a category of pornography that features models, actors or non-professionals performing without pay, or actors for whom this material is their only paid modeling work. Pornography in the early 2000s. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. There may be more than two participants; both group sex and gang banging can be included. Bareback sex is physical sexual activity, especially sexual penetration, without naked milf the use of a condom.