Overview: This is one kind of most newly most fashionable palm movement, may exercise finger's flexibility & the skill flexibility; Some person of every shot hits the targets, some people thousand cannot hit the target! Making persistent efforts, still could not diligently! It is also one emerging leisure mode of motion, especially suits the study rhythm of life to be anxious, has the pressure community, may relax the nerve, reduces the pressure; The study, the life, the work, the traveling, takes a walk, the time which goes by car anytime & anywhere may