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. Pornographic films or sex films are films that present sexually explicit subject matter for the purpose of sexual arousal and erotic satisfaction of the viewer. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. Another variant of reality pornography consists hot gay sex 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. A large part of the popularity of these videos is seeing how regular and normal horny milfs the girls are in real-life. This technique may include the use of a simulacrum, or artificial vagina. Some do not use the diapers at all, for arousal, or bladder and bowel movements. In September 2003 the BBC reported on the new dogging craze. A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power relationship. This category also includes pornographic home movies. Mutual masturbation is a sexual act where two or more people stimulate anime hentai themselves or one another sexually, usually with the hands. Cum-shot pornography features a collection of male ejaculation scenes. 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. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres.