It is also often mixed with other fetishes in practice, such as voyeurism, denial, etc. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. Often a dominant woman, she may be called a Dom, Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. Practitioners have described going to public places such as a mall or a park. Gang bang pornography milf fuck is a type of pornography that depicts an individual engaging in physical sexual activity with multiple partners sequentially or at once. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. Human urinal: An act common in the bondage sex community where a male or female slave will serve as a urinal for a dominant partner. The exact source and nature of the fluid continue to be a topic of debate among medical professionals, which is also related to doubts over the existence of the G-Spot. It has been described as professionally made porn which seeks to emulate the style of amateur pornography. POV pornography involves camera angles designed to provide the viewer a view similar to that anime hentai seen by one of the participants, whose face is never shown. There is also some evidence that pornography can be gay twinks used to treat voyeurism. Sometimes, asymmetric and often intentionally uncomfortable positions are employed to heighten the psychological impact of the bondage. Jail/Prison/Police pornography involves people in police custody or inmates in jails or prisons in various sexual situations, such as strip searches or body cavity searches. 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.