Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. The study also found that participants reacted positively to a much wider range of figures than a control group, even rating emaciated figures higher. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. 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. In Japan, point of view pornography is referred to as hamedori . A lesbian is a female homosexual; a female who experiences romantic love or sexual attraction to other females. In 1988, a sex tape caused significant damage to Rob Lowe career. The activity is done by itself or as a part of or prelude to other activities which many times involve sex. Boots are seen as the perhaps most fetishistic of all footwear and boots may be the most popular fetish clothing attire. In contrast, gay twinks a celebrity may take the route of openly releasing the tape and benefit directly from royalties as well as indirectly from the publicity. A bisexual threesome may involve a man having sex with a man and a woman, the woman having sex with a man and a woman, or all three having sex with each other. Diaper fetishism, nappy fetishism or diaperism, is a sexual fetish in which a person feels a desire to wear or use diapers. Production of such films was profitable, and a number of producers specialised naked milf in their production. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. While wearing diapers, a diaper fetishist generally experiences a comforting feeling. Sadomasochism hentai movies refers to the aspects of BDSM surrounding the exchange of physical or emotional pain.