Monarch Spring-loaded Hook Harness TrapMonarch Spring loaded Hook Harness Trap. Very old piece of fishing equipment here, most likely from the 1890's. Although this is missing the hook its still overall in good condition. About 4 1 4" long, see photos. Very collectable item here! This lure will make a great addition to your collection. Be sure to check out our other tough and rare antique lures at My Bait Shop's Vault, the place to find our tougher collectible lures for sale.