Simultaneous penetration of the mouth and either the vagina or anus. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. Actual upskirt or downblouse shots may violate privacy laws in some countries. Saliva pornography involves salivation and saliva. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Gay-for-pay describes male or female actors, pornographic stars, or sex workers who self-identify as heterosexual but who are paid to act or perform as homosexual professionally. Kinbaku means tight binding Kinbaku-bi which literally means the beauty of tight binding. A common way that these are depicted in a single scene is with one woman and two men performing together. The name is a reference to hentai sex gonzo journalism, in which the reporter is part of the event taking place. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. 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. The buttocks in human females thus contain more adipose tissue than porn milf in males, especially after puberty. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. 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. Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . A somewhat controversial ejaculation control technique is to put pressure on the perineum, about halfway between the hot gay sex scrotum and the anus, just before ejaculating. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the neck, chest, or breast of another person. As of 2013, little analysis of this paraphilia has been reported in medical literature.