Especially popular in post-World War 2 Japanese culture. A male voyeur is commonly labeled Peeping Tom, a term which originates from the Lady Godiva legend. However, the tradition of bondage magazines continues in the form of art books of bondage photographs, published by mainstream publishers such as Taschen. Such explicit sexual interaction is seen only rarely in public play spaces, momporn and it is sometimes specifically banned by the rules of a party or playspace. Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. Pegging is a sexual practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. Amateur porn has been called one of the most profitable and long-lasting genres of pornography. There may be more than two participants; both group sex and gang banging can be included. It spawned numerous sequels, several of which won adult film awards. Group sex can occur between people of all sexual orientations lesbian hentai and genders. Matsuo used amateur actresses in his videos, and he usually traveled to their hometowns for the filming. A common way that these are depicted in a single scene is with one woman and two men performing together. Targets the male audience, but is much less popular than Yaoi. Within a BDSM or D/s context, facesitting can be an especially intense form of erotic humiliation. The speed of the hand motion will vary from person to person, although it is not uncommon for the speed to increase gay sex video as ejaculation nears and for it to decrease during the ejaculation itself. Examples include the Girls Gone Wild and Girls Who Like Girls Series. For other scenes, particularly in established relationships, a safeword may be agreed to signify a warning rather than explicit withdrawal of consent; and a few choose not to use a safeword at all. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals .