Fat fetishism also incorporates stuffing nude milfs and padding, whereas the focus of arousal is on the sensations and properties of a real or simulated gain. Boot fetishism is a sexual fetish dedicated to boots. Solo pornography features gay twinks performers masturbating. This is commonly called double anal or double stuffing. In places where non-monogamous sex is taboo or illegal, group sex may take place in private or clandestine locations including homes, hotel rooms, or private clubs. 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. For other diaper fetishists, simply wearing a diaper, the bulking feeling and crinkling sounds associated with it, is enough to cause the fetishist a form of erotic pleasure or sexual arousal. Pegging is a recently invented word which features a woman penetrating a man with a strap-on dildo. In D/S, the Dominant is the Top and the submissive is the Bottom. Typically features a feminine Uke, or submissive, and a masculine Seme, or dominative. Erotic literature and pornographic films have been devoted to the sexual uses of glory holes. The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops. In straight pornography, intercourse is often followed by a facial, pearl necklace or other visible ejaculation. However, the tradition of bondage magazines continues in the form of art books of bondage photographs, hentai videos published by mainstream publishers such as Taschen. In these cases, the appearance of an enlarged abdomen caused by obesity or overeating may be sufficient, or simply the suggestion of a protruding navel. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. This yields a view that would not be obtainable directly through the eyes of a person while experiencing the sex act.