Martin D-28 Bridge Repair: Glueing the Bridge By WP-Admin FVL | Published 1. April 2013 | Full size is 1936 × 2592 pixels Martin D-28 Bridge Repair: Fitting the Bridge Glueing the Bridge The bridge is ready to be glued. A heat lamp is positioned above the top, to warm up both glueing surfaces. An endoscope is inside the guitar, to help navigating the clamps around the bracing. Bookmark the permalink.