In the gay pornography industry, which uses amateurs as well as professional actors, the term gay-for-pay refers to actors labeled or believed to be straight but who engage in same-sex sexual activities for money. John Stagliano is considered to have started the gonzo pornography genre with his Buttman series of films. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. The current public acceptance of celebrities with sex tapes is speculated by Joe Levy, executive editor of Rolling Stone, to be due to the easy availability of pornography, as well as couples more commonly making their own tapes due to the prevalence of video cameras. The term BDSM dates back to 1969; however, the origin of the term BDSM is unclear and is believed to have been formed either from joining the term B&D with S&M , or as a compound initialism from B&D, D&S , and S&M. Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Barebacking usually refers to a conscious and deliberate choice to milf xxx forgo condoms. HIV is among the infections that require such direct contact and is therefore very unlikely to be transmitted via mammary intercourse. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. The industry lesbian hentai generally refers to such films as adult films, which is part of adult entertainment. Typically featured are hitting, choking, name-calling and hair-pulling. Its gain in prominence has been attributed to its depiction in the film Pecker, gay cock which was released in 1998. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. 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.