Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. Pornographic films are typically categorized as either softcore or hardcore pornography. Such works have also often been subject to censorship and other legal restraints to publication, display or possession. While some fantasize about a giantess who is slightly taller than himself, others are interested in giantesses that are hundreds or even thousands of feet tall. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Lesbian pornography typically features a wider range of appearances and body types than is typical of mainstream pornography. Some masturbate only using pressure applied to the clitoris without direct contact, for example gay twinks by pressing the palm or ball of the hand against underwear or other clothing. A lesbian hentai related term used in the genre is the term cougar, which implies an older woman as predator. Creampie pornography features ejaculation inside the vagina , mouth or rectum instead of the common cum shot, followed by the visible seeping or dripping of semen from the vagina, mouth or anus. His most famous model was Bettie Page, who became the first celebrity of bondage film and photography. Contrary to the other two types, B/D does not define the Tops and Bottoms itself, and is used to describe the general activities with either partner being the receiver and the giver. Most bisexual porn is made by small production companies rather than the major studios. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. To avoid soreness from this resulting friction, some may prefer to use a personal momsex lubricant, masturbation cream or saliva during masturbation. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or jumbled .
