A threesome is also depicted with one woman and two men who all perform sex acts on each other . Often other friends and community members may witness the signing of such a document in a ceremony, and so parties violating their agreement can result in loss of face, respect or status with their friends in the community. Penetration may involve use of fingers, toes, sex toys, or penises. The two sets of people involved often meet either randomly or arrange to meet up beforehand over the Internet. Some men place both hands directly on their penis during masturbation, while others may use their free hand to fondle their testicles, nipples, or other parts of their body. Today, pornographic films can be sold or rented on DVD, shown through Internet and special channels and pay-per-view on cable and satellite, and in adult theaters. The mouth was the most common area to be ejaculated upon. Lesbianism in erotica deals with depictions in the visual arts of lesbianism, which is the expression of female-to-female sexuality. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction . In Japan, point of view pornography is referred to as hamedori . In recent years, however, many celebrities have benefited from the publicity resulting from the release of a sex tape. Nevertheless, it is only an attempt at phenomenological differentiation. It therefore has the connotation of being wild, dangerous, and fun. Gonzo pornography is a style of pornographic film that attempts to place the viewer directly into the scene. Among fetishists, the pose of reluctance—the victimization of the cuckold—is a major element of the paraphilia. Unlike smothering, in facesitting hentai videos the bottom partner is young gay porn not deprived of air. Women with women Main article: Lesbianism in erotica: Lesbianism mature milfs in contemporary pornography Lesbian or girl-girl pornography features women engaged in sex together, but is typically aimed at a male audience.