Though there have been numerous gang bang pornographic films since the 1980s, they usually involved no more than half a dozen to a dozen men. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs. In the fetish cuckolding subculture, it is most common for the female to take on the sexually dominant role and the male the submissive role, however, female subs, sometimes referred to as cuckqueans, also exist. What seems clear from the historical record momsex is that much of the lesbian material hentai porn in pornographic texts was intended for a male readership. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing gay boy porn model head. 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. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Omorashi: The act of holding one own urine until the need to urinate is urgent, making another hold in their urine, or watching another person with an urgent need to urinate. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, film, video, and video games. It has also been recommended as a form of foreplay or safer sex. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. It is commonly depicted in pornography, but very rarely in mainstream cinema. Men may also rub or massage the glans, the rim of the glans, and the frenular delta. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed.