Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. 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. Common phrases used to refer to these individuals are chicks with dicks or the derogatory term shemale, although these are generally considered pejorative among transwomen. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, irrumatio, or intercourse. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination. Solo performances in gay pornography have been described in 1985 as either or both hentai movies active and/or passive mature milfs , whereas female solo performances are said to gay twinks be exclusively passive . When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. 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. Irrespective of the legal or social view of pornography, it has been used in a number of contexts. Boots are seen as the perhaps most fetishistic of all footwear and boots may be the most popular fetish clothing attire. The use of the word creampie to describe such scenes originated in U. A related term used in the genre is the term cougar, which implies an older woman as predator. Pornography in Japan is large and intertwined business of adult entertainment with unique characteristics that readily distinguish it from western pornography. Typically featured are hitting, choking, name-calling and hair-pulling.