The Silent Duck, also called Duck-Billing, is the technique often used in which the person engaging in hand insertion shapes the hand to resemble a duck beak. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . This may relate to fetishes such as voyeurism or cuckolding. For legal reasons, the vast majority of porn milf so-called reality porn involves professional actors and actresses posing as so-called amateurs. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly become a genre in its own right. Shibari is a Japanese word that anime hentai literally means to tie or to bind. Rape pornography features performers simulating rape. Since development and pronunciation of the buttocks begins at menarche and declines with age, full buttocks are also a symbol of youth. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Such explicit sexual interaction is seen only rarely in public play spaces, and it is sometimes specifically banned by the rules of a party or playspace. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. The prostate gland is one of the organs that contributes fluid to semen. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm. The related term twinkle-toes, which implies that a man is effeminate, tends to be used in a derogatory manner. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved gaysex parties is emphasized more strongly, with each participant being responsible for his or her own well-being.
