Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. Evolutionary psychologists hentai sex suggest that rounded buttocks may have evolved to be desirable trait because they provide a visual indication of the woman youth and fertility. If dramatic skills are not involved, a performer in a porn film may also be called a model. Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of naked milf the cameras but may legally be photographed due to the public setting. Interactive pornography, available in CD-ROM and DVD format, allows the viewer to select the particular acts performed videos gays at any one time, sometimes with the camera providing a first person view. Bear features a combination of middle-aged, hairy or overweight males. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. 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.