A celebrity sex tape is typically an amateur pornographic video recording involving one or more celebrity famous person which has, intentionally or unintentionally, been made available publicly. Nevertheless, it is only an attempt at phenomenological differentiation. Group sex also occurs in populations of non-human animals such as bonobo apes and chimpanzees. It is also referred to as anal–oral contact and anal–oral sex, or colloquially as rimming or a rim job, and may be performed by or on people of any sexual orientation for personal pleasure or as a form of erotic humiliation. Scat or brown pornography features defecation, manipulation of feces, or consumption of feces, in reality or fantasy; a well-known example is the 2 Girls 1 Cup video. Many of these activities might be based on rape. Such grounds and even the definition of pornography gay sex video have differed in various historical, cultural, and national contexts. Gonzo pornography is a style of pornographic film that attempts to place the viewer directly into the scene. Studies among BDSM practitioners in the US have shown that about half of all men find the idea of bondage to be erotic; many women do as well. There are varieties of definition and geographical data presented by organizations and individuals for classifying the Asian people. Some masturbate only using pressure applied to the clitoris without direct contact, for example by pressing the palm or ball of the hand against underwear or other clothing. Softcore pornography that does not contain ejaculation sequences is produced hentai porn both to respond to a demand by some consumers for less-explicit pornographic material, and to comply with government regulations or cable company rules that may disallow depictions of ejaculation. The mouth was the most common area to be ejaculated upon. Whether it is a public playspace—ranging from a party at an established community dungeon to a hosted play zone at a nightclub or momporn social event—the parameters of allowance can vary.