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. The term is a slang word that originated in the gay community and comes from the equestrian term bareback, which refers to the practice of riding a horse without a saddle. Snuff pornography involves the actual death of any of the participants, consenting or otherwise, simulated death is not considered snuff. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. 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. Sometimes special furniture is used, such as a queening stool or smotherbox. Often a dominant woman, she may be called a Dom, Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. In the context of consensual erotic activities, sadism and masochism are not strictly accurate 3d hentai terms; there is a significant difference from the medical or psychological usage of both terms. Lucky Pierre is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously gay twinks during a threesome, being positioned between the two partners. Each participant may engage in any type of sex acts with one or both of the others, such as vaginal, naked milf anal or oral sex or mutual masturbation. The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblance to the dipping of a tea bag into a cup of hot water as a method of brewing tea. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or depictions of interracial sexual activity.