The jack upper has been refined for small agitating agents while maintaining the sharpest penetrating hooking. The long shank has a longer distance from the hook point to the eye, and is designed to be easy to inhaled even with weak bites of small agitators. In addition, the super fine wire with a super fine wire diameter that has been applied to Makatsus composite surface treatment, achieving a good penetration of zero friction. In addition to the small mackerel, it demonstrates its power in various light game scenes such as kisses and goals under 7.9 inches (20 cm) targets.