Multiple men and women Bisexual pornography features one woman and two men who all perform sex acts on each other. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Threesome can also refer to a love triangle, a three-way romantic relationship. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. For example, gaysex in Australia it is rated Refused Classification . Among swinging couples, horny milfs one of the two partners is often the driving force and the other is more passive-supportive of the addition of additional sex parties. Two women tapegagged and cuffed to iron bars Bondage and Discipline are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. Dwarfs or midget pornography features performers who are dwarfs/midgets. This industry employs thousands of performers along with support and production staff. Types of anal sex can also be a part of lesbian sexual practices. Throughout history, women have not had the same freedom or independence to pursue homosexual relationships as men, but neither have they met the same harsh punishment as homosexual men in some societies. This type of pornography is almost exclusively hentai, as true hermaphroditic humans are not fertile and are not usually found in nature. Sexual relations between women have been illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Transsexual pornography is 3d hentai a genre of pornography. This can, however, redirect semen into the bladder .