Bill Lewis Knockin' Hammer Trap Lipless Crankbait - Too much of a good thing doesn’t exist. The Bill Lewis Knockin’ Hammer Trap is an addition to the popular Hammer Trap line. The big difference is that the Knockin’ Hammer Trap features a loud knocking sound rather than the traditional Tri-Tone noise that Bill Lewis lures are known for. This knocking sound is known by “trap” anglers to often be the difference in a good day trappin’ or a great day trappin’. Tantalizing knocking sound Swims with a unique hard-thumping action Flutters on the pause to persuade indecisive or sluggish fish to react. Split-ring line tie