Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa. Reality pornography is professionally made porn which seeks to emulate the style of amateur pornography. Today, religions vary in their views of masturbation; some view it as a spiritually detrimental practice, some see it as not spiritually detrimental, and others take a situational view. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions. On the other hand, the masochist enjoys being hurt, humiliated, or suffering within the consensual scenario. Bestiality is illegal in many countries. Other fetish Bareback pornography features performers who are not wearing condoms. Macrophilia is a fascination with or a sexual fantasy involving giants, more commonly expressed as giantesses . It is also followed by dedicated industry publications anime hentai and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. Double penetration of the vagina, anus and mouth, can involve: Simultaneous penetration of the anus by two penises or other objects. For some people, non-penetrative sex is the primary sexual activity of choice above all others. Women with women Main article: Lesbianism in erotica: Lesbianism nude milfs in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. Solo pornography recognized with AVN Awards videos gays include the All Alone series and All Natural: Glamour Solos.