Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. Sexual scenarios may involve male domination, female submission, exhibitionism and erotic entertainment. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. Pornographic films present sexual fantasies and usually include erotically stimulating material such as nudity. Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. There is also some evidence that pornography can be used to treat voyeurism. Various groups within society have considered depictions of a sexual nature immoral, labeling them pornographic, and attempting to have them suppressed under obscenity and other laws, with varying degrees of success. The person gay hentai sat upon may be in bondage, sexually nude milfs submissive, or simply held down by the body-weight of the other person. 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. Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. Reality Reality pornography refers to real or faked amateur encounters. Amateur porn has been called one of the most profitable and long-lasting genres gaysex of pornography. The principal characteristic of voyeurism is that the voyeur does not normally interact directly with the subject of his/her interest, who is often unaware of being observed. Felching involves drinking recently ejaculated semen from the vagina or anus.