It's a kata practiced at jks or japan karate shotorenmei created by Asai sensei suishu means water hands because it smoothly flows just like water, also it took inspiration from the movements of nijushiho.
@@theodore.katsuaki Water hand is also the first and most important one of the five element hand techniques in many styles of Crane Boxing. Curiously enough, there is not a single water hand performed in the kata.
