However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. A scene where many women have sex with one man is referred to as a reverse hentai movies gang-bang. Such documents have not been recognized as being legally binding, nor are they intended to be. Clothed male, naked female is one-sided female nudity in which one or more females are nude while big tit milf one or more men are clothed. The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. The loose and direct camera work often includes tight shots of the genitalia, unlike some traditional porn. These actors often play the top roles but this is not always the case, such as with Kristen Bjorn and some Bel Ami models. A celebrity can fight the release in court to maintain deniability while still enjoying the career benefits. Some people get sexual pleasure by inserting objects, such as urethral sounds, into the urethra , a practice known as urethral play or sounding. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that gay movies those of black descent are promiscuous, and their buttocks are objectified by porn as a result. Evolutionary psychologists suggest that rounded buttocks may have evolved to be desirable trait because they provide a visual indication of the woman youth and fertility. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. Some masturbate only using pressure applied to the clitoris without direct contact, for example by pressing the palm or ball of the hand against underwear or other clothing. A study of the condom usage habits of New Zealand sex workers said that they offered various safe sex alternatives to vaginal sex to clients who refused to wear a condom.
