Megabass Knuckle LD Silent Crankbait 2 1/3 Inches The Megabass Knuckle LD features a durable circuit board lip: FX lip of the original is converted to a carefully-angled circuit board lip for even more responsive high pitch wobble and roll action. Equipped with a rolling swivel front hook-hanger. Fixed weight for a truly silent approach Internal weight balancer is secured from multiple angles to achieve a truly silent approach. Specially-tuned to catch that key fish in the toughest conditions. The first lure to receive the special treatment from Yuki Ito is the Knuckle, which has been fine-tuned with a circuit-board lip and swivel-mount hook hangar to tackle the tough waters of Japan and the United States. The stealthy Knuckle LD will draw strikes from pressured fish and in cold water.