"With its controlled rapid wiggle, the Lucky Craft Lucky Vibration Lipless Crankbait sets the internal brass and glass rattles a-clacking on every cast, to bring big bass charging in. It makes the perfect choice for high-speed ""searching"" retrieves, and for stop-and-start explorations of vertical edges adjacent to preferred cover. The internal volume and body mass are carefully calibrated to eliminate unnatural movements, even on the drop. Controlled rapid wiggle Attention-getting brass and glass rattles Perfect for high-speed ""searching"" retrieves Calibrated design eliminates unnatural movements"