Boone Turbo Hammer Lure, Pearl Chart, 5 1/2-Inch Boone Turbo Hammer PEARL CHART Turbo Hammer produces a fish attracting visible smoke trail that causes striking fish to nail the bait Turbo Hammer, can be fished plain or with cigar minnows, ballyhoo or strip bait; Best trolling speed 2-10 knots; Dave Workman, Jr. Pro Series Best trolling speed 2-10 knots; Dave Workman, Jr. Pro Series