The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. The term breast fetishism is also used to refer to cultural attention to female breasts and the sexuality they represent, with debate continuing as to whether the modern widespread fascination with breasts among heterosexual males in western societies is a sexual fetish. As women, they face concerns separate from men. Milking pornography features lactating women being milked or milking themselves . The primary subjects of pornographic depictions are pornographic models, who pose for still photographs, and pornographic actors or porn stars, who perform in pornographic films. Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. The loose and direct camera work often includes tight shots of the genitalia, unlike some traditional porn. Swinger parties may involve various gay boy porn group sex activities. A smotherbox gives a more dramatic experience . Some men enjoy masturbating during pegging. A heterosexual threesome may involve two men and a woman, or one man and two women - that is, two men having sex with a woman , or two women with a man. Hentai narrow Japanese usage and broad international usage are often incompatible. Shotacon : Similar to Lolicon, this genre involves prepubescent or under-aged boys between the ages 6–12. Cartoon pornography is the portrayal of illustrated or animated fictional characters in erotic or sexual situations. Lying anime hentai face down one may use the hands, one may straddle a pillow, the corner or edge of the bed, a partner leg or some scrunched-up clothing and hump the vulva and clitoris against it. The precise definition of roles and self-identification is a common subject of debate, reflection, and discussion within the community. Felching is a sexual practice involving the act of orally sucking semen out of mature milfs the vagina or anus of one partner.