SPECIFICATIONS

• 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