However, various groups within society considered such depictions immoral, labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. Though there have been numerous gang bang pornographic films since the 1980s, they usually involved no more than half a dozen to a dozen men. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. Most bisexual porn is made by small production companies rather than the major studios. The first explicit pegging scene is believed to have been in the 1975 pornographic film The Opening of Misty Beethoven. The term bondage describes the practice of Physical restraining. Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour Solos. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. On May 27, 2010 the television program The Doctors discussed the topic with dozens of teens, parents, and professionals. Biological 3d hentai anthropologist Helen B. As a form of non-penetrative sex, it can be done for its own enjoyment or as foreplay. Point of view pornography is adult entertainment filmed to look as if the watcher were experiencing the sex act themselves. Sexual relations between women have been young gay porn illustrated as well as narrated, but much of the written material from the early modern period has been destroyed. Its primary goal is sexual arousal in its audience. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. The existence of such content in commercially available pornography is widely considered an urban legend. Cum shots typically do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement. Although there may be no connection between coprophilia momsex and sadomasochism , the limited data on the former comes from studies of the latter.