Pimping is sometimes operated like a business. The pimp may have a bottom girl who serves as office manager, keeping the pimp apprised of law-enforcement activity and collecting money from the prostitutes. Pimps recognize a hierarchy among themselves. In certain pimp strata, the least respected, or newer pimps, are the "popcorn pimps" and "wannabes". "Popcorn pimps" was a phenomenon which occurred among adolescent cocaine users of both sexes who utilized children younger than themselves to support their habits. A pimp who uses violence and intimidation to control his prostitutes is called a "gorilla pimp", while those who use psychological trickery to deceive younger prostitutes into becoming hooked into the system are called "finesse pimps". In addition, a prostitute may "bounce" from pimp to pimp without paying the "pimp moving" tax.