[Burg] Functions will almost always be better with buddies so, if you decide to go to Garsen Layby Celle, try appear well clothed but not too formal, choosing clothing that help you feel comfy and don't prevent you from expressing yourself or transferring easily and then try to get some firm before you go. A good thing about Germany is that if you don't like a gay bar you might have a long list of other pubs that you will likely love considerably more.