Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Women porn is often produced by women and aimed specifically at the female market - rejecting the view that men are turned on by porn but women only by a box of chocolates. Comic books often featured characters being tied up and tying others up, particularly in damsel in distress plots. It is commonly hentai videos depicted in pornography, but very rarely in mainstream cinema. Jerk off instruction features a performer encouraging or instructing lesbian milfs the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm. The arousal from being desperate comes from the sensation of having a full bladder. 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. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at home, in private clubs and also at night cinemas. If ejaculation is onto the other person face it can be called a facial. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. The current record is held by Lisa Sparks who had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact gay sex video mutual masturbation Two people masturbating in the presence of each other but not touching.