Internal ejaculations, followed by images of semen dripping from the anus, are sometimes depicted in bareback gay pornography, where they are referred to by the term breeding or the reverse money shot. Actual spying may violate privacy and/or trespassing laws in many countries. A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. Hugo Ohira, director of marketing for Silvercash, rhetorically asks Who does not like spewing their load on a pretty young face? Enema pornography involves videos gays adults given enemas to others, often fake. The person sat upon may be in bondage, sexually submissive, or simply held down by the body-weight of the other person. Pegging is a sexual practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. Can also include auto-fellatio, or performing oral sex on oneself. This technique may include the use of a simulacrum, or artificial vagina. The first film was released in 1980 starring Kay Parker. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. English adopts and uses hentai as a genre of pornography by the commercial sale and marketing 3d hentai of explicit works under this label. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . There is also some evidence that pornography can be used to treat voyeurism. There may be more than two participants; both group sex and gang banging can be included. This style of filming momsex is in contrast to having a separate, third-person camera crew filming all the action.