Often, strong views are expressed with regard to anal sex; it is controversial in various cultures, especially with regard to religion, commonly due to prohibitions against anal sex among gay men or teachings about the procreative purpose of sexual activity. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. Actual upskirt or downblouse shots may violate privacy laws in some countries. Reality pornography is professionally made porn which seeks to emulate the style of amateur pornography. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. If ejaculation is onto the other person face it can be called gay videos a facial. Klaw ran an international mail-order business out of his store, Movie Star News, selling cheesecake pinups and bondage/spanking photos. Examples include the Girls Gone Wild and Girls Who Like Girls Series. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing model head. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Since development and pronunciation of the buttocks begins at menarche and declines with age, full buttocks are also a symbol of youth. Sexologist Alfred Kind suggested that the buttocks is the primary sexual presentation site in primates. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm.