Many cultures describe pain as an aphrodisiac. In Japanese, this natural-fibre rope is known as asanawa; the Japanese vocabulary does not make a distinction between hemp and jute. It contains graphic sexual activity and visible penetration. A study of the condom usage habits of New Zealand sex workers said that they offered various safe sex alternatives to vaginal sex to clients who refused to wear a condom. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . If one person is penetrated by two objects, it is generically called double penetration . A scene where many women have sex with one man is referred to as a reverse gang-bang. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which gay hentai individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. Rainbow party A rainbow party is an urban legend spread from the early 2000s. Typically featured are hitting, choking, gaysex name-calling and hair-pulling. Kurt Wild, who appeared as a bottom in Lucas Entertainment horny milfs Gigolos, is married to a woman and has three children. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. His most famous model was Bettie Page, who became the first celebrity of bondage film and photography. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction . The most common male masturbation technique is simply to hold the penis with a loose fist and then to move the hand up and down the shaft.