The term bareback is used less frequently in the heterosexual community. Com, there are only 655 bisexual titles out of a catalogue of more than 90,000 films. It has been described as professionally made porn which seeks to emulate the style of amateur pornography. This is also the case in many relationships not considering themselves as sadomasochistic; it is considered to be a part of BDSM if it is practiced purposefully. Fisting, handballing, fist-fucking, brachiovaginal, or brachioproctic insertion is a sexual activity that involves inserting a hand into the vagina or rectum. Anti-pornography psychologist Ana Bridges and colleagues conducted a content analysis of best-selling heterosexual pornographic videos showing that over 96% of all scenes concluded with a male performer ejaculating onto the body of his female partner. Pornography can be classified according to the physical characteristics of the participants, fetish, sexual orientation, etc., as well as the types of sexual activity featured. Bukkake videos are a relatively prevalent niche in contemporary pornographic films. Cum-shot pornography features a collection of male ejaculation scenes. Also see POV. Fat fetishism also incorporates stuffing and padding, whereas the focus of arousal is on the sensations momsex and properties of a real or simulated gain. A variant of this is known as ATOM or ATOGM where the insertive partner removes his penis from one recipient anus and inserts it into a second recipient mouth. Sometimes, asymmetric and often intentionally uncomfortable positions are employed to heighten the psychological videos porno gay impact of the bondage. The films were financially hentai sex successful, winning AVN Awards for the best selling pornographic films of their year; however the events were effectively un-officiated and the record breaking claims often misleading. Facesitting when a woman or a young girl sits on a man face. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus , and pegging.