In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Using the term shemale for a transsexual woman often implies that she is working in the sex trade. While bondage is a very popular variation within the larger field of BDSM, it is nevertheless gaysex sometimes differentiated from the rest of this field. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. Pornography is generally classified as either softcore or hardcore pornography. Greater economic and social freedom allowed them gradually to be able to determine how they could form relationships and families. Group sex is sexual behavior involving more than two participants. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. Kinbaku means tight binding Kinbaku-bi which literally means the beauty of tight binding. Failure to honor a safeword is considered 3d hentai serious misconduct and could even change the sexual consent situation into a crime, depending on the relevant law, since the bottom has explicitly revoked his or her consent to any actions that follow the use of the safeword . In many cases, that person is also aroused by smelling body parts that have a urine scent. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. Some techniques which may work for one individual can be difficult or uncomfortable for another. Rough sex pornography is similar to milf xxx pornography featuring sadomasochism, and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them.