The effect is to give the viewer the sense that they are experiencing the sex acts that they are watching, as opposed to simply watching others as a voyeur. A variant of this is known as ATOM or ATOGM where the insertive partner removes his penis from one recipient anus and inserts it into a second recipient mouth. In the 1970s, the hardcore pornography genre introduced the stereotypical cumshot scene as a central element of the hardcore film, in which the male actor ejaculates in a way ensuring maximum visibility of the act itself. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. 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. In D/S, the Dominant is gay twinks the Top and the submissive is the Bottom. The anal and rectal tissues are delicate and do not provide natural lubrication, so they can easily tear and permit disease transmission, especially if lubricant is not used. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. It has been described as professionally made porn which seeks to emulate the style of amateur gay hentai pornography. Japanese rope bondage is distinguished by its use of specific katas and aesthetic rules. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. Consent is the most important criterion big tit milf here. The surfacing of sex tapes has become so common that some are leaked as a marketing tool to advance or establish a media career. Insertion in pornography features women inserting various odd objects into their anus or vaginas. This is commonly called double anal or double stuffing. In recent years, Japanese films of this genre have become more common in the USA and Europe although it still remains a small, fetish-oriented part of the adult film industry.