Portrait of John's guitar with fire extinguishers

In the "hallway" of the Lewes Arms, where I like to stand (you get a good view of the two bars and the other room where the Toad lives), John the Busker usually leaves his guitar, the tool of his trade, propped up against the cigarette machine, vulnerable to knocks. One fire extinguisher holds the door open, the other stands waiting, presumably for a fire.