By adopting a thick tail, strong water pushing is realized. By adopting the core body inverted triangular body, it is easy to keep the horizontal posture by reducing the rotation even when pushing the thick tail with water. The concave slits on the back and abdomen make it easier to bend the body when hooking and improve the hooking rate. In addition, the convex slit adopted on the back part can hide the tension tip when using # 2 and # 3 hooks. Succeeded in reducing the rooting rate when exploring the area around the cover. Rib pulse shape of the specific ribs bite the water, realizing a strong water Press and wave. It became an important factor in realizing "small silhouette + powerful water pushing".