These styles are much closer to the style of bondage scenes in mainstream television. Andrews cross or spreader bars. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. In Japan, point of view pornography is referred to as hamedori . The warm sensation felt when urine trickles on the body seems to give very gay fuck relaxing nude milfs and pleasurable feelings to the person. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, movies, 3d hentai or drawings. The consensual submission of the submissive is sometimes demonstrated to others by symbols indicating his/her belonging to the dominant, such as wearing a collar, special tattoos, piercings, a very short haircut or a bald head. A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. The niche popularity grew significantly in the latter half of the first decade of the 2000s. 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. Standing up, a chair, the corner of an item of furniture, or even a washing machine can be used to stimulate the clitoris through the labia and clothing. Cum shots typically do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement. Evolutionary psychologists suggest that rounded buttocks may have evolved to be desirable trait because they provide a visual indication of the woman youth and fertility. Rimjob pornography centers around anilingus. Commenting on why there are not as many female macrophiles, psychologist Helen Friedman theorized that because women in most societies already view men as dominant and powerful, there no need for them to fantasize about it.