I have made lipless crankbaits before, and have experimented with how to lessen the thump that they have so that you could get the lipless crankbait action that the fish like but have it subtle for clear water conditions. What I came to, was making the flat surface of the head that lipless crankbaits have and making it concave. This removed a lot of the thump that the baits were having and made it far more subtle. The lure I tried this on was 2.5" long and had less thump than a 1.25" lipless cra