The most successful animated features produced in the United States primarily for adult audiences were directed by Ralph Bakshi, including Fritz the Cat, Heavy Traffic and Coonskin. Reality pornography is a genre of pornography where staged scenes, usually shot in cinéma vérité fashion, set up and precede sexual encounters. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction . These actors often play the top roles but this is not always the case, such as with Kristen Bjorn and some Bel Ami models. 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. Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. Such video tapes are often released without the consent of their subjects, and could potentially damage celebrities careers. The primary subjects of pornographic depictions are pornographic models, who pose for still photographs, and pornographic actors or porn stars, who perform in pornographic films. This technique is also used porn milf by some men who are circumcised who have excess skin left from circumcision. Others consider the position to involve the man squatting over his reclined young gay porn partner while the testicles hentai movies are repeatedly raised and lowered into the mouth. The term breast fetishism is also used to refer to cultural attention to female breasts and the sexuality they represent, with debate continuing as to whether the modern widespread fascination with breasts among heterosexual males in western societies is a sexual fetish. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. 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.