Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. The most common type of erotic spanking is administered on the bare buttocks, but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Internationally, hentai is a catch-all term to describe a genre of anime and manga pornography. A pornographic work is characterized as young gay porn hardcore if it has any hardcore content, no matter how gay hentai small. Real medical shots or videos may violate privacy laws in some countries. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. Two women tapegagged and cuffed to iron bars Bondage and Discipline are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. When used as big tit milf an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. A related term used in the genre is the term cougar, which implies an older woman as predator. In 1988, a sex tape caused significant damage to Rob Lowe career. Terminology for roles varies widely within the various BDSM subcultures.