Other objects such as ball point pens and thermometers are sometimes used, although this practice can lead to injury and/or infection. Most soft crush fetishists avoid being placed under the same label anime hentai as hard crush fetishists, believing that crush films with larger animals give the entire group a bad label. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly become a genre in its own right. Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. There may be more than two participants; both group sex and gang banging can be included. The range of its individual characteristics is thereby wide. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions. Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. The original porn milf definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Foot fetishism has been gay fuck defined as a pronounced sexual interest in the feet or footwear. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine. The existence of such content in commercially available pornography is widely considered an urban legend.