During the final scene between the gang, the hammer and Coors Light Bottle alternately appear and disappear from the bar top.
While the write is kidnapped, and forced to write a new review of Paddy's Pub in the back office, we can see a shadowbox on the wall with military decorations in it. The decorations are United States Marine Corps shooting badges (pistol sharpshooter and pistol expert badges) but the flag is a United States Navy flag.