Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming and editing. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers. The effect is to give the viewer the sense that they are experiencing the sex acts that they are watching, as opposed to simply watching others as a voyeur. When he is in position the cover is closed. Such films continued to be produced but could only be distributed by underground channels. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Watersports pornography features sexual activities involving urine, 3d hentai such as porn milf golden gay sex video showers. In September 2003 the BBC reported on the new dogging craze. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. This category also includes pornographic home movies. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. In recent years, Japanese films of this genre have become more common in the USA and Europe although it still remains a small, fetish-oriented part of the adult film industry. A facial is a form of non-penetrative sex, though it is generally performed after some other means of sexual stimulation, such as vaginal sex, anal sex, oral sex or masturbation. Group sex is sexual behavior involving more than two participants. 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 .