Bhabha, Anne McClintock and Kobena Mercer. There is also some evidence that pornography can be used to treat voyeurism. Such films continued to be produced but could only be distributed by underground channels. He talked to them extensively on camera so that both he and the viewer can come to know them before any sex scenes. Shibari is a Japanese word that literally means to tie or to bind. Participants usually derive pleasure from this, even though many of the practices—such as inflicting pain or humiliation or being restrained—would be unpleasant under other circumstances. Targets the male audience, but is much less popular than Yaoi. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. 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. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. The person sat upon may be in 3d hentai bondage, sexually gay twinks submissive, or simply held down by the body-weight of the other person. Incest pornography can feature actual relatives, but the main type of this pornography simply uses actors of similar looks to suggest family relationship. Klaw ran an international mail-order porn milf business out of his store, Movie Star News, selling cheesecake pinups and bondage/spanking photos. Pornography is generally classified as either softcore or hardcore pornography. Twink pornography features younger performers, and usually features young men under 30 who identify as gay or bisexual. This category also includes pornographic home movies. Most soft crush fetishists avoid being placed under the same label as hard crush fetishists, believing that crush films with larger animals give the entire group a bad label.