Cuckold fetish pornography that involves a cuckolded husband. 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. Films with milf fuck risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. The person receiving anilingus is regarded as the passive partner in the act, and the person performing anilingus is the active partner. Greater economic and social freedom allowed them gradually to be able to determine how they could form relationships and families. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . A sub-set of vaginal fisting attempts to photograph gay cock the female cervix immediately after the fist is removed from the now-gaping vagina. Lucky Pierre is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously during a threesome, being positioned between the two partners. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. The rise of the Internet in the late 1990s and early 2000s similarly changed the way pornography film was distributed and furthermore complicated the censorship regimes around the world and the legal prosecution of obscenity. Bondage/BDSM Bondage pornography features performers tied up or constrained hentai sex in various ways. This technique may include the use of a simulacrum, or artificial vagina. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance.