Lesbian pornography typically features a wider range of appearances and body types than is typical of mainstream pornography. By comparison, gonzo pornography puts the camera right into the action, often with one or more of the participants both filming and performing sexual acts, without the usual separation between camera and performers seen in conventional porn and cinema. This makes varying degrees of stimulation an integral part of oral sex for many men. Bestiality is illegal in many countries. The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. Lolita pornography caters to ephebophiles. It has since become popular enough with couples to be discussed during an episode of Sex and the City. Sexual orientation Pornography features an increasing gay fuck variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Interactive pornography, available in CD-ROM and DVD format, allows the viewer to select the particular acts performed at any one time, sometimes with the camera providing a first person view. When the interest in a particular subject is obsessive, the behavior may be described as stalking. Other objects such as ball point pens and thermometers are sometimes used, although this practice can lead to injury and/or infection. Among swinging couples, one of milf xxx the two partners is toon porn often the driving force and the other is more passive-supportive of the addition of additional sex parties. Although there may be no connection between coprophilia and sadomasochism , the limited data on the former comes from studies of the latter. Coprophilia , also hentai porn called scatophilia or scat , is the paraphilia involving sexual arousal gay sex video and pleasure from feces.