Transgender pornography features performers who cross-dress for sexual gratification, either for themselves or for their partners. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. The work of Bruce Seven has been called reality porn, due to his lack of using scripts and asking his performers to act naturally in their own character. Tentacle rape or shokushu goukan is found in some horror or hentai titles, with tentacled creatures having sexual intercourse with female characters. It is suggested that much of the obscurity and the uncertainties about female ejaculation are related porn milf to mixing up these two phenomena. Typically featured are hitting, choking, name-calling and hair-pulling. Some men also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. Celebrity sex tapes are amateur or professionally-made hentai porn recordings of sex acts, as performed by a celebrity and their partner. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features gaysex amateur actors/actresses, often appearing for the first time in a pornographic film. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Commercialized pornography accounts for a nearly US0 billion worldwide industry for the production of various media and associated products and services. A few extremely flexible males can reach and stimulate their penis with their tongue or lips, and so perform autofellatio.