Mixing Elmer's glue with the mucous of a common garden snail produces an adhesive that is five times stronger and more durable that crazy glue. The combination glue is almost never used however for three reasons. 1) No one has ever synthesized snail mucous, 2) it has proven impossible to farm and milk snails for their mucous and 3) no one wants to have to always carry around a snail just in case they want to glue something.