Use of the agreed safeword is seen by some as an explicit withdrawal of consent. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. 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. 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. Once insertion is complete, the fingers are either clenched into a fist or kept straight. It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals. In the gay pornography industry, which uses amateurs as well as professional actors, the term gay-for-pay refers to actors labeled or believed to be straight but who engage in same-sex sexual activities for money. To avoid soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream or saliva during masturbation. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. This is commonly called double vaginal penetration or double stuffing. Pornography may fall gay twinks into more horny milfs than one genre. Point of view pornography is gay hentai adult entertainment filmed to look as if the watcher were experiencing the sex act themselves. These styles are much closer to the style of bondage scenes in mainstream television. Concerted deployed sexual rejection exercised on the partner can be an aspect of Dominance and Submission as well.