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. A common way that these are depicted in a single scene is with one woman and two men performing together. Some techniques which may work for one individual can be difficult or uncomfortable for another. A male voyeur is commonly labeled Peeping Tom, a term which originates from the naked milf Lady Godiva legend. Shemale is a term primarily used in sex work to describe a trans woman with male genitalia combined with hentai videos female secondary sex characteristics, usually including augmented female breasts, from breast augmentation and/or use of hormones. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. The term lesbian is also used with regard to sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction. The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblance to the dipping of a tea bag into a cup of hot water as a method of brewing tea. This technique may include the use of a simulacrum, or artificial vagina. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves. Pornography is often referred to as porn and a pornographic work as a porno. There is no singular or archetypical behavior; therefore, a wide range of thought patterns and behaviors exist, but all tends to be a harmless and gay twinks efficacious release from some kind of pressure. Pornographic films present sexual fantasies and usually include erotically stimulating material such as nudity. Buck Angel is the best-known actor in this genre. Some restrict a policy of panties/nipple tape for females and some allow full nudity with explicit sexual interaction allowed.