Strictly speaking, bondage means binding the partner by tying their appendages together; for example, by the use of handcuffs or by lashing their arms to an object. Crying pornography that features participating actors crying. Erotic spanking is the act of spanking another person for the sexual arousal or gratification of either or both parties. Solo pornography features performers masturbating. In places where non-monogamous sex is taboo or illegal, group sex may take place in gay hentai private or clandestine locations including homes, hotel rooms, or private clubs. Failure to honor a safeword is considered serious gay sex video misconduct and could even change the sexual consent situation into a crime, depending on the relevant law, since the bottom has explicitly revoked his or her consent to any actions that follow the use of the safeword . BDSM pornography depicts bondage and discipline, domination and submission, sadism and masochism. In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. Although macrophilia literally translates to simply a lover of large, in the context of a sexual fantasy it is used to mean someone who attracted to beings larger than themselves. Human urinal: milf fuck An act common in the bondage sex community where a male or female slave will serve as a urinal for a dominant partner. It has been described as professionally made porn which seeks to emulate the style of amateur pornography. Am Abend , one of the earliest pornographic films that have been collected at the Kinsey Institute for Research in Sex, Gender, and Reproduction, starts with a female masturbation scene. Mutual masturbation is a sexual act where two or more people stimulate themselves or one another sexually, usually with the hands. He talked to them extensively on camera so that both he and the viewer can come to know them before any sex scenes.