Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. In general, BDSM play is usually structured such that gay movies it is possible for the consenting partner to withdraw his or her consent during a scene; for example, hentai sex by using a safeword that was agreed on in advance. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. Reality and voyeur pornography, animated videos, and legally horny milfs prohibited acts also influence the classification of pornography. However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs. While anal sex is commonly associated with male homosexuality, research shows that not all gay males engage in anal sex and that it is not uncommon in heterosexual relationships. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. For example, in Australia it is rated Refused Classification . Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc.