261892 Home › Forums › Miscellaneous › How can Washington Metro keep kids from stealing signs? › 261892 May 17, 2011 at 6:17 pm #130753 Christopher WhitakerParticipant I don’t know if this is possible, but how about trying to attach them in a weird way? These are very cool door hinges – and they had a tendency to get yanked. They are now attached using a special screw-driver that’s hard to come by. Not sure if that would work for the Metro though.