Two or more Baoding balls are rotated repetitively in the hand to improve manual dexterity and strength, and they are also said to assist in injury recovery. 2 X Baoding ball. When exercising, put two balls in your hand, relying on five fingers flexion and extension, so that the two balls circled with each other, the rotation direction of Shun, inverse of the points, so that all the joints in the hand are in motion.
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