The full-weight body-pressure, moisture, sex odors and darkness can be perceived as powerful sexual attractions or compulsions. Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. Bondage/BDSM Bondage pornography features performers tied gay twinks up or constrained in various ways. In Canada, Teletoon offers up its own Teletoon at Night programming block. Some do not use the diapers at all, for arousal, or bladder and bowel movements. Rape pornography features performers simulating rape. Cuckold fetish pornography that involves hentai videos a cuckolded husband. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. Female ejaculation is the expulsion of fluid by the paraurethral ducts through and around the human female urethra during or before an orgasm. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a momporn whole, but not for a particular scene. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. 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. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation.