Some airline lounges employ baristas, bartenders and gourmet chefs. Coffeehouse baristas are referred to as K.O.C.'s, or Keepers of the Coffee. Fielder posts a Craigslist ad seeking baristas with Starbucks experience, and hires two applicants. Two baristas and several customers in the shop were not injured. Methods of preparation differ between drinks and between baristas. It is notably secretive and the baristas are not allowed to ask for customers' names. The phenomenon of bikini baristas has sometimes caused controversy and complaints from local residents. These designs include new displays, accessory shops, digital tickets and free baristas. Baristas commonly perform the same routine in each of the rounds that they compete. A city ordinance bans bikini baristas from wearing G-strings and see-through clothing. This is especially relevant with new baristas.