I'm up to the point of covering and hinging my OMP FF 540. I don't like ca hinges, too stiff and they'll crack after awhile . I like the flat pin type hinges and I like the strength of epoxy to hold them, but I don't like the mess. So , I experimented the other day , I made a slit put a pn type hinge in an used super glue , worked great broke the wood and still never got the hinge out.I believe your hinge slit has to be just that, thin, no picking to enlarge, and I believe the few holes in the hinge gives additional holding power. and of cpurse vasoline the hinge pin first.