Reliable Bunker Spoon The Reliable Bunker Spoon is the most proven bunker spoon in the world. You can catch any species of fish with this trolling lure. The Spoon is made out of Stainless Steel metal and has an adjustable keel weight built-in to the spoon, for changing the depth. The hook setup is a main 12/0 O’Shaughnessy Cadmium Plated Tin Hook and has a trailing 6/0 Treble Hook. Everything on this spoon is wrought proof and the action is un-matched.