I purchased a silver inlay for my Fowler from the "Chambers Group" Its pretty intricate, looks like an Owl's head on the top of the inlay, the center is a convex mirror and the bottom and sides are an assortment of acanthus leaves. The back has a 1/4" round casting gate dead center for a screw from the underside of the wrist. What is the best, easy way to hold this in place so I can scribe/cut the inlay's outline in? Thanks, ...Geo.