The term bondage describes the practice of Physical restraining. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. Mammary intercourse has sometimes been considered a perversion. This genre also features male-on-male fellatio through a small hole made in a bathroom divider. A celebrity can fight the release in court to maintain deniability while still enjoying the career benefits. Some people get sexual pleasure by inserting objects, such as urethral sounds, into the urethra , a practice known as urethral play or sounding. A study milf xxx of the condom usage habits of New Zealand sex workers said that they offered various safe sex alternatives to vaginal sex to clients who refused to wear a condom. In the 18th and 19th centuries, some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, these taboos generally declined. Locks may be used to emphasize the submissive hentai videos position or the submissive hands may be fastened above his head to the box. A lesbian is a female homosexual; a female who experiences romantic love or sexual attraction to other females. Production of such films was profitable, and a number of producers specialised in their production. In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has dripped from their bodies. For some people, non-penetrative sex gay movies is the primary sexual activity of choice above all others. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. The resulting consent and understanding is occasionally summarized in a written contract, which is an agreement of what can and cannot take place. Following the introduction of the Motion Picture Association of America film rating system, independent animation producers attempted to establish an alternative to mainstream animation.