BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. It like associating every Christian with the zealots who cause religious wars. Targets the male audience, but is much less popular than Yaoi. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Shibari is a Japanese word that literally means to tie or to bind. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . Men may find stimulation of the anus, rectum, and adjacent organs enjoyable. BDSM communities generally welcome anyone with a non-normative streak who identifies with the community; this may include cross-dressers, extreme body mod enthusiasts, animal players, latex or rubber aficionados, and others. Generally, interest differs hentai movies between people, and gender depends on sexual orientation. There may be more than two participants; both group sex and gang banging can be included. Clothes wetting: The person is sexually gaysex aroused by wetting one clothing or observing another person doing so. Mammary intercourse is said by Alex Comfort to produce mutual orgasm in women with sensitive breasts , and it was one of the nine substitute exercises for penetrative sexual activities, as detailed in the Paradis Charnels of 1903. In human sexuality, a threesome is sexual activity that involves three people at the same time. Real enema shots or videos of true medical situations may violate privacy laws in some countries. Performers are usually clean-shaven, thinner mature milfs and more effeminate than ones in mainstream gay pornography. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Shemale is a term primarily used in sex work to describe a trans woman with male genitalia combined with female secondary sex characteristics, usually including augmented female breasts, from breast augmentation and/or use of hormones.