The EvergreenA(R) ZR-4 Shallow Crankbait is a must-have for anglers who love bass fishing. Designed by Morizo Shimizu, the ZR-4 features a unique body shape that produces a natural rolling action plus an aggressive wobble at any retrieval speed. Designed by professional bass fisherman Morizo Shimizu Fixed center of gravity and completely silent Great for working all types of cover