Lesbian pornography made for women is usually made by women, and usually features women who identify as lesbian or bisexual. A variant of A2M is ATOM where a performer inserts his penis directly from one recipient anus into a second recipient gay fuck mouth. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Real enema shots or videos anime hentai of true medical situations may violate privacy laws in some countries. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male employers. Some restrict a policy of panties/nipple tape for females and some allow full nudity with explicit sexual interaction allowed. Bondage/BDSM Bondage pornography features performers tied up or constrained in various ways. Rape pornography features performers simulating rape. Its primary goal is sexual arousal in its audience. The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . Actual spying may violate privacy and/or trespassing laws in many countries. Bisexual DVDs sell much better online than in adult video stores, possibly due to customers in stores feeling embarrassed to buy them. It spawned numerous sequels, several of which won adult film awards. Sex parties may be organized milf xxx to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. Emetophilia pornography involving vomiting and gagging. A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power relationship. Hentai is the various forms of Japanese pornography, including H-manga, H-anime, and H-computer games. Lucky Pierre is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously during a threesome, being positioned between the two partners.