By using a material with high buoyancy called resin, it has a weight that can be cast long distances, but it enables super dead slow retrieve. It will continue to appeal to fish with vibration and roll action that metal spoons do not have. The shape of the insert and the weight balance are thoroughly adjusted to prevent it from rising, and it is also characterized by continuing to swim in the target layer. It is a new type of lure that does not fit in the category of spoons and cranks.