Arcane or occult pornography involves sexualized situations with an occult or magical tone or performers who costume themselves in keeping with the theme, for example, a male performer dressed as a wizard. The most common gay twink porn type of erotic spanking is administered on the bare buttocks, hentai porn but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, milf xxx irrumatio, or intercourse. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. Kurt Wild, who appeared as a bottom in Lucas Entertainment Gigolos, is married to a woman and has three children. Older names for a pornographic film include stag film, and blue movie. Foot fetishism has been defined as a pronounced sexual interest in the feet or footwear. Both forms of pornography generally contains nudity. Mammary intercourse is known as titty-fucking, titfuck, or a titjob in the United States, as well as tit wank or French fuck in the United Kingdom - the latter term dating back to the 1930s; while a more jocular equivalent is a trip down mammary lane. The niche popularity grew significantly in the latter half of the first decade of the 2000s. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. A sex party is a gathering at which sexual activity takes place. Bestiality is illegal in many countries. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals.