... .Products characteristic(1)The unique round darts design is double magnetic target, can be graded.(2) Including 6 magnet darts which ... limit, and palm toward recovery, body level; the approximate darts Elbow motionless, wrist flip forward drive forearm movement will do arc ... movement in the main contract muscle and joint wrist and elbow, shoulders, deltoid muscle, triceps muscle, wrists, refers to the ...