The technique became so popular that it even made its way to America, where it was valued as a self defense technique to protect oneself from punches, knives, and even guns.

这项技术变得如此流行， 以至于它甚至传到了美国，在那里它被视为一种自卫技术， 可以保护自己免受拳击、刀具甚至枪支的伤害。