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Can be used to correctly grasp the swing posture, fix and strengthen the arm distance muscle memory and avoid arm bending
This inflatable smart ball is attached to an adjustable lanyard to meet the needs of anyone. It is a good training aid on the market and can be used under the armpits or between the forearms.
Scientific and reasonable design and construction, easy to use, inflatable ball can adjust the size, neck rope can adjust the length
Great for beginner to practice and professional for teaching and improving swing performance
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