[Iturrama] If you choose to visit M40 Plaza San Juan de la Cadena, try out seem well clothed but not too conventional, choosing clothing that make you feel secure and don't keep you from indicating yourself or transferring easily and try to find some company prior to going, events will always be better with buddies so. A good thing about Spain is when you don't like a gay club you have a lot of other bars that you will probably adore a lot more.