Features:
-Perfect exercise gadget for sports like golf, tennis, cricket, badminton, baseball, basketball, bowling, mountain climbing.
-Increase strength of fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.
-Use for rehabilitation and relief from carpal tunnel syndrome and RSI
-It can make the circulation of blood better in a short time.
-Works without batteries! It is driven by pure muscle power.