driver license check

Went to this club for the first time on a Friday evening. It was kind of in the middle of nowhere. It seemed rather large and there were a lot of cars in the parking lot. Went inside and it looked very spacious and fancy especially compared to other clubs in Maryland. However, the first thing the doorman did was ask me for my driver license.

Now just from looking at me it is obvious that I am old enough to drink. So why do they need my driver's license. I had left it in the car and went back out to get it. However, when I got in the car I decided that I really did not want to give them my license so I just kept going and decided to go elsewhere.