How much should the bar security guard tip?

200 yuan started. Bar security guards will provide personal protection services to protect the safety of guests and improve their face. This service will charge a certain fee, generally from 200 yuan. Bar (originally written as wine cellar, defined as a house, it is a function word of wine cellar), which refers to the consumption place that provides beer, wine, foreign wine and cocktails. Bar refers to entertainment and leisure bar, which provides live bands or singers, professional dance teams and "dancers" performances.