Fisting involves the insertion of one partner entire hand into a vagina or the anal cavity. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos videos porno gay involving larger animals with vertabrae, and arguably more pain-susceptible animals . Mutual masturbation is a sexual act where two or more people stimulate themselves or one another sexually, usually with the hands. Sex experts have praised various techniques that the performer can use during fellatio to increase their partner pleasure. Pornography in the early 2000s. These scenes may either have the cameraman directly engaging in sex or merely filming others having sex. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . When sexual activity is centered on one of the threesome, then the activity may be hentai videos described as a gang bang of the person. Failure to honor a safeword is considered serious misconduct and could even change the sexual consent situation into a crime, depending on the relevant law, since the momsex bottom has explicitly revoked his or her consent to any actions that follow the use of the safeword . However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male employers. The rise of the Internet in the late 1990s and early 2000s similarly changed the way pornography film was distributed and furthermore complicated the censorship regimes around the world and the legal prosecution of obscenity. Most soft crush fetishists avoid being placed under the same label as hard crush fetishists, believing that crush films with larger animals give the entire group a bad label. The term lesbian is also used with regard to sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction.