Tìm kiếm sản Softcore gay pornography also exists; it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. A few extremely flexible males can reach and stimulate their penis with their tongue or lips, and so perform autofellatio. These agreements are binding in the sense that the parties have the expectation that the negotiated rules will be followed. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Specific sex acts Anal Anal pornography features anal penetration with a penis, dildo, other objects, or some combination of them. Examples include the Girls Gone Wild and Girls Who Like Girls Series. When the interest in a particular subject is obsessive, the behavior may be described as stalking. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows horny milfs and striptease. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. If ejaculation is onto the other person face it can be called a facial. It has also been recommended as a form of foreplay or safer sex. Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa. Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity and their partner. Femdom features BDSM scenes in which the dominant partner is female. A sex party is a gathering at which sexual activity takes place. Sexologist Alfred Kind suggested that the buttocks is the primary sexual presentation site in primates. 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.