I used clear packing tape on a clean cut, on the back, and it's still holding after several years. I'd glue it (clear glue) then put the packing tape across it. I don't know why I hang on to it. At last count I had five 24" long rulers. I won three of them on blog and facebook give a ways.
Last edited by BellaBoo; 05-07-2013 at 03:14 PM.