It is possible for the tail to receive water and take action even with a very slight water flow. At the time of a 0.9g down shot or a fall when set with a 1.8g smoraba. It can move firmly even in water currents that ordinary small shad tails do not take action, such as dead slow retrieve with no sinker, and conversely, when using it at high speed, tail action like when bait fish escapes, finely It will be a quick move.