The bridge pictures have ideas. Two big pins to hold it together and a big magnet to hold it down. The support on the hinged end was interesting too.ScottOn Thu, 1 May 2014 00:46:51 -0400 (EDT) rbd3985@aol.com writes:Here are pics of Modular Layouts at York from the OGR Forum. ~RickyThe Lower Susquehanna group in the Orange Hall.....Thank you so much for your efforts! It was greatly appreciated."Of course we know its O-gauge or no gauge." -- Sheldon Cooper