Solo pornography recognized with AVN Awards include the All Alone series and All Natural: Glamour momporn Solos. Additionally, the buttocks give hentai movies an indication of the shape and size of the pelvis, which impacts reproductive capability. Other fetish Bareback pornography features performers who are not wearing condoms. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. These styles are much closer to the style of bondage scenes in mainstream television. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. 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. Women with women Main article: Lesbianism in erotica: Lesbianism in contemporary pornography Lesbian or girl-girl pornography features women gaysex engaged in sex together, but is typically aimed at a male audience. Two women tapegagged and cuffed to iron bars Bondage and Discipline are two aspects of BDSM that do not seem to relate to each other because of the type of activities involved, but they have conceptual similarities, and that is why they appear jointly. The act may be carried out face to face, or head to tail, with the woman recommended to be on top if she has smaller breasts. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. Behind the Green Door was one of the first pornographic films to feature sex between a white actress with a black actor . Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine.