Depictions milf fuck of male and female masturbation are common in pornography, including gay pornography. Snuff pornography involves the actual death of any of the participants, consenting or otherwise, simulated death is not considered snuff. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Such films continued to be produced but could only be distributed by underground channels. Men and women may masturbate until they are close to orgasm, stop for a while to reduce excitement, and then resume masturbating. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and forth. Sometimes special furniture is used, such as a queening stool or smotherbox. Such explicit sexual interaction is seen only rarely in public play spaces, and it is sometimes specifically banned by the rules of a party or playspace. Saliva pornography involves salivation and saliva. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Others may also use vibrators and other sexual devices more commonly associated with female masturbation. In September gay sex video 2003 the BBC reported on the new dogging craze. One-sided male nudity can also arise when a male disrobes as part of a male striptease. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. Using the term shemale for a transsexual woman often implies that she is working in the sex trade. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. When sexual activity is centered on one of hentai videos the threesome, then the activity may be described as a gang bang of the person.