It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Common phrases used to refer to these individuals are chicks with dicks or the derogatory term shemale, although these are generally considered pejorative among transwomen. Barebacking usually refers to a conscious and deliberate choice to forgo condoms. Transgender pornography features performers who cross-dress for sexual gratification, either for themselves or for their partners. Some may keep their hand stationary while pumping into it with pelvic thrusts in order to simulate the motions of sexual intercourse. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute big tit milf for sexual penetration. However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. Most bisexual porn is made by small production companies rather than the major studios. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc. The niche popularity grew significantly in the latter half of the first decade of anime hentai the 2000s. Typically featured are hitting, choking, gay twinks name-calling and hair-pulling. Interactive pornography, available in CD-ROM and DVD format, allows the viewer to select the particular acts performed at any one time, sometimes with the camera providing a first person view.