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. The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . It is sometimes combined with BDSM features. Kinbaku means tight binding Kinbaku-bi which literally means the beauty of tight binding. Stimulating the prostate from outside, via pressure on the perineum, can mature milfs be pleasurable as well. Transsexual porn star Wendy Williams has stated that transsexual Porn is classified gaysex as Straight Specialty. Depictions of male and female masturbation are common in pornography, including gay pornography. The term sadomasochism is derived from the words sadism and masochism . People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Sigmund Freud considered foot binding as a form of fetishism. As of 2013, little analysis of this paraphilia has been reported in medical literature. Cuckold fetish pornography that involves a cuckolded husband. Simultaneous penetration of the mouth and either the vagina or anus. A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the scrotum and the anus, just before ejaculating. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, film, video, and video games. Types of anal sex can also be a part of lesbian sexual hentai movies practices. Femdom features BDSM scenes in which the dominant partner is female. If this is done using penises and/or strap-on dildos, this is sometimes called the sandwich or BigMac. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies.