The term BDSM dates back to 1969; however, the origin of the term BDSM is unclear and is believed to have been formed either from joining the term B&D with S&M , or as a compound initialism from B&D, D&S , and S&M. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. Pornographic films are typically categorized as either softcore 3d hentai or hardcore pornography. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Kurt Wild, who appeared as a bottom in Lucas Entertainment Gigolos, is married to a woman and has three children. Men may also rub or massage the glans, the rim of the glans, and the frenular delta. People may experience pleasure from anal sex by stimulation of the anal nerve endings, and orgasm may be achieved through anal penetration – by indirect gay boy porn stimulation of the prostate in men, indirect clitoral/G-spot stimulation in women, and associated sensory nerves . Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism. Macrophilia is a fascination with or a sexual fantasy involving giants, more commonly lesbian milfs expressed as giantesses . Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance. Both sexes sometimes apply lubricating substances to intensify sensation.