Pornography in the early 2000s. 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. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903. The consent and compliance for a sadomasochistic gay sex video situation can be granted only by people who can judge the potential results. Klaw ran an international mail-order business out of his store, Movie Star News, selling cheesecake pinups and bondage/spanking photos. Individuals are also momsex sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. The original definition of hentai porn dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Emetophilia pornography involving vomiting and gagging. In addition to mainstream pornography, the popularity of facials has led to creation of its own niche market, like video series that specialize in showing the act. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. Hugo Ohira, director of marketing for Silvercash, rhetorically asks Who does not like spewing their load on a pretty young face? Incest pornography can feature actual relatives, but the main type of this pornography simply uses actors of similar looks to suggest family relationship.