The resulting consent and understanding is occasionally summarized in a written contract, which is an agreement of what can and cannot take place. Whether or not licking and fondling is considered tea bagging was once debated on the Howard gay sex video Stern Show. Bra pornography involves women or men dressed in bras. In humans, females generally have more round and voluptuous buttocks, caused by estrogen that encourages the body to hentai movies store fat in the buttocks, hips, and thighs. Pegging films include Strap It On , Babes Balling Boys , Strap Attack, Strap-on Sirenz, Strap-on Chicks, Boss Bitches , various movies produced by LEDA Studios, and San Francisco-based Men In Pain. Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. These include gently sucking and tugging on the scrotum and use of lips to ensure minimal contact with their teeth. The slave is usually strictly forbidden from placing their lips directly on the body of the dominant so the practice routinely involves them receiving much of the spray all over their face, hair and body, however, another way of doing this that applies mostly to male dominants, is to place the mouth on the head of the penis and drink the urine as it is released. 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 . Yaoi male homosexual hentai designed to appeal to women and men. This momporn technique is also used by some men who are circumcised who have excess skin left from circumcision. Behind the Green Door was one of the first pornographic films to feature sex between a white actress with a black actor . Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. Such works have also often been subject to censorship and other legal restraints to publication, display or possession. Clothed female, naked male pornography features naked men and clothed women; typically, the women humiliate and abuse the men or perform fellatio and/or handjobs on the men.