In Canada, Teletoon offers up its own Teletoon at Night programming block. The industry generally refers to such films as adult films, which is part of adult entertainment. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Bukkake pornography involves a performer, usually female, onto whom several men or women ejaculate, usually on the face. For example, in Australia it is rated Refused Classification . It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Cuckolding can also be mixed with other non-monogamous relationship horny milfs arrangements with which it has substantial overlap such as hentai videos Swinging, wife-swapping, open relationships, and polyamory, etc. In S/M, the Sadist is usually the Top and the Masochist hot gay sex the Bottom, but these roles are frequently more complicated or jumbled . The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, irrumatio, or intercourse. 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. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute.