In straight pornography, intercourse is often followed by a facial, pearl necklace or other visible ejaculation. Spanking or whipping pornography involves spanking or whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus , and pegging. Discipline often incorporates sadomasochistic aspects, though some sadomasochists distance themselves from D/s practices such as punishment. 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. It has been described as professionally made porn which seeks to gay twinks emulate the style of amateur pornography. Simultaneous penetration of the vagina and anus. Masturbation involves touching, pressing, rubbing or massaging a person genital area, either with the fingers or against an object such as a pillow; inserting fingers or an object into the anus ; and stimulating the penis or vulva with an electric vibrator, which may also be inserted into the vagina or hentai videos anus. Fisting, handballing, fist-fucking, brachiovaginal, or brachioproctic insertion is a sexual activity that involves inserting a hand into the vagina or rectum. Voyeur or peeping Tom pornography is usually more staged with the subjects aware of the cameras, sometimes openly including this exhibitionist awareness. Unlike Yaoi, Bara is normally made by actual homosexual men, for homosexual men, and tends to focus on the more realistic obstacles and challenges that come with being homosexual in Japan. A variant of this is known as ATOM or ATOGM where the insertive nude milfs partner removes his penis from one recipient anus and inserts it into a second recipient mouth. When questioned about her particular kink Covét replied, If we women have to take it from behind, then why not a man? This is commonly called double anal or double stuffing.