The horse mackerel bakusu is a vertically symmetrical cylindrical stick type worm with a constriction. A center guide hole is provided at both tips, allowing anyone to easily set the hook from either side. In addition, since the form is a cylindrical shape with vertical and horizontal symmetry, if the hook is set through the center guide, even if the worm body is torn, the hook can be taken out from another location and continued to be used without losing balance. I can. The material of the worm body is set to be a little hard, and the design allows the worm to stay in place during the first bite, which is unique to horse mackerel, and to be brought into the bite without causing any discomfort due to the balance with the constriction during the second big suction. It becomes.