Consent is the most important criterion here. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. Sadomasochism does not imply enjoyment through causing or receiving pain in other situations . Fisting pornography features the insertion of an entire hand into a performer vagina or anus. Most soft crush fetishists avoid being placed under the same label as hard crush fetishists, believing that crush films with larger animals give the entire group a bad label. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. A male voyeur is commonly labeled Peeping Tom, a term which originates from the Lady Godiva legend. A common way that these are depicted in a single scene is with one woman and two men performing together. Some restrict a policy of panties/nipple tape for females and some allow young gay porn full nudity with explicit sexual interaction allowed. For uncircumcised males, stimulation of the penis in this way big tit milf comes from the pumping of the foreskin, in which the foreskin is held and slid up and down over the glans, which depending on foreskin length, is completely or partially covered and then uncovered in a rapid motion. The first film was released in 1980 starring gay hentai Kay Parker. Such explicit sexual interaction is seen only rarely in public play spaces, and it is sometimes specifically banned by the rules of a party or playspace. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. The related term twinkle-toes, which implies that a man is effeminate, tends to be used in a derogatory manner. Since at least 1973, it has also been used to refer to a sexually attractive young woman.