Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Some restrict a policy of panties/nipple tape for females and some allow full nudity with explicit sexual interaction allowed. Other gay twinks possibilities are possible, such as a man having sex with two women who are having sex with each other. Sexologist Alfred Kind suggested that the buttocks is the primary sexual presentation site in primates. Pornography is often referred to as porn and a pornographic work as a porno. Depictions of male and female masturbation are common in pornography, including gay pornography. Real enema shots or videos of true medical situations may violate privacy laws in some countries. Hentai is the various forms of Japanese pornography, including milf fuck H-manga, H-anime, and H-computer games. This fetish sometimes originates from childhood memories of needing, or of seeing another lesbian hentai needing, to urinate. When he is in position the cover is closed. The genres of pornography are based on the type of activity featured and the category of participants, for example mateur pornography is a category of pornography that features models, actors or non-professionals performing without pay, or actors for whom this material is their only paid modeling work. This may relate to fetishes such as voyeurism or cuckolding. The buttocks in human females thus contain more adipose tissue than in males, especially after puberty. A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. Reflective of its views on sexuality and culture, Japanese pornography delves into a wide spectrum of heterosexual, homosexual, and transgender sexual acts in addition to unique fetishes and philias. There is no singular or archetypical behavior; therefore, a wide range of thought patterns and behaviors exist, but all tends to be a harmless and efficacious release from some kind of pressure.