Making hentai movies a pearl necklace is one of the momsex activities that sex workers use as safe sex alternatives for people who refuse to wear condoms. There are many other variations on male masturbation techniques. Gang bang pornography is a type of pornography that depicts an individual engaging in physical sexual activity with multiple partners sequentially or at once. One is in a vertical side of the box for the neck of the person who has their head inside the smotherbox. Transwomen are most often featured with male partners, but are also featured with other transsexuals or cissexual women. The first film was released in 1980 starring Kay Parker. Futanari, Hentai females with a penis. The legal status of masturbation has also varied through history and masturbation in public is illegal in most countries. The Japanese sex industry uses the term Paizuri . The other is in the gay cock top of the box to expose their face. Fisting, handballing, fist-fucking, brachiovaginal, or brachioproctic insertion is a sexual activity that involves inserting a hand into the vagina or rectum. Also see POV. These typically are leaked to the public via the Internet, with or without the celebrity consent. The shocker accomplishes this using several fingers of one hand. Gonzo porn is influenced by amateur pornography, and it tends to use far fewer full-body/wide shots in favor of more close-ups . It explores the more mental aspect of BDSM. Felching involves drinking recently ejaculated semen from the vagina or anus. It is distinguished from these concepts in that the cuckold thrill in their partner acts is specifically masochistic; as such it is considered a category of BDSM fetish. Individuals who can change between top/dominant and bottom/submissive roles—whether from relationship to relationship or within a given relationship—are known as switches, though the term switch in this context is occasionally seen as derogatory and is rejected by many who might simplistically fit the definition. Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness.