The "War Wounds" edition feature anomalies in the underlying metal surface to simulate healed wounds. The Thin Blue Line stands for law enforcement's separation of order from chaos, or, as Oxford Dictionaries describes, it's a reference to police, "in the context of maintaining order during unrest." ... The thin blue line stands for the sacrifice law enforcement officers of this nation make each day. This custom handmade item will look great on your wall in your garage, man cave or home.