A metal jig that brings an advantage to the user with its outstanding flight distance and speedy search due to its speedy sinking speed, appeal due to wave motion and flashing that are different from soft baits. Chamjig was completed by combining the characteristics of such metal jigs with a special body design that light game experts devised on the spot. The body design that can be specially caught is a body design with a surprisingly simple colon and a packed center of gravity. While maximizing the advantages unique to metal jigs such as flight distance and sinking speed, it was derived to realize a "small form" and "modest action" that are very popular with light targets in general, including horse mackerel and rockfish. shape. In the basic jerk and fall, the compact dart that does not jump too far reproduces the movement of small fish escaping and appeals naturally, and the quiet fall that suppresses flapping makes it possible to eat with confidence even for a timid light target. creates and strongly induces a bite. Of course, it is perfectly compatible with various operations such as free winding after submerging to any range and shaking retrieve.