Men may find stimulation of the anus, rectum, and adjacent organs enjoyable. Compensating elements of the total dominance and submission are care and devotion complementing one another, thus facilitating stable relationships. Individuals are also 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. Simultaneous penetration of the mouth and either the vagina or anus. Pornography in Japan is large and intertwined business of adult entertainment with unique characteristics that readily distinguish it from western pornography. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify gay videos as gay themselves. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. The most common type of erotic spanking is administered on the bare buttocks, but can also be combined with bondage, in order to heighten sexual arousal and feelings of helplessness. The arousal from being desperate comes from the sensation of having a full bladder. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. Depictions of male and female masturbation are common in pornography, including gay pornography. The inside of a smotherbox is often padded to provide support for their neck and prevent their head from moving. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Women porn is often produced by women and aimed specifically at the female market - rejecting the view that men are turned on by porn but women only by a box of chocolates. It has also been recommended as a form of foreplay or safer sex. Reality pornography is professionally made porn which seeks to emulate the style of amateur pornography.