some clubs will have staff to assist with seating. If premium seating is provided, club staff will usually manage access to those areas. Depending on the day, time and staffing levels, accessibility of the general admission areas may vary. Larger clubs will rope off or otherwise close sections of the club to customers unless the size of the crowd warrants use of the space. Larger clubs could have multiple floor, bar, seating, and staging areas which are managed in a similar manner. Main stage A main stage is where a featured performer will dance as part of a rotation. In most clubs the main stage is a dominant feature of the layout and the center of activity. A common type of strip club main stage is the thrust stage, also known as a runway stage, but the other major forms are also used regularly. Theatre in the round is also a popular form of strip club staging for the main stage. During each set of one or more songs, the current performer will dance on stage. A dancer collects tips from customers either while on stage or while mingling with the audience after her performance. A customary tip (where customers can do so at the stage) is a dollar bill folded lengthwise and placed in the dancer's garter from the tip rail. The area of the tip rail is equivalent to the apron in traditional theatre. It is referred to in slang as "ringside", "gynecology row", "pervert row", and other names. Many stages have actual railing built on or around the stage to function as the tip railing, in addition to indicating where customers should position themselves relative to the performance zone. Customers take turns tipping the dancer. They may also line up to tip popular performers. If physical railing is not present, the tip rail is the edge of stage or defined performance area. Other common tip methods are to insert the dollar into the stripper's cleavage from the hand or mouth, to simply place it or toss it on stage, or to crumple bills into a ball shape and throw them in the entertainer's direction. Each club and dancer has different tolerance levels for customer interaction, including tipping. Some clubs have multiple stages on the premises. Tipping etiquette varies between countries and cultures. In Eastern European and Asian clubs it is customary to agree on payment upfront for