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 parties is emphasized more strongly, with each participant being responsible for his or her own well-being. Shemale is a term primarily used in sex work to describe a trans woman with male genitalia combined with female secondary sex characteristics, usually including augmented female breasts, from breast augmentation and/or use of hormones. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. Lesbianism has been a theme in erotic art since at least the time of ancient Rome, and many regard depictions of lesbianism to be erotic. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. The most common depiction of a hermaphrodite is a person with a female face, young gay porn breasts, and build, and a penis , although there are other combinations. This category also includes pornographic home movies. The stimulation may involve hands, fingers, everyday objects, sex toys or combinations of these. A variant of this is known as ATOM or ATOGM where the insertive partner removes his penis from one recipient anus and inserts it into a second recipient mouth. In some societies, the terms fox, plum, chick, or chicken are preferred. Facial cum shots are currently regularly portrayed in pornographic films and nude milfs videos, often as a way to close a scene. Bobbi S. Failure to honor a safeword is considered serious 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 . Along with the penis, the scrotum is sensitive and considered 3d hentai to be an erogenous zone. The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops.