How It Works
Grab CuraBall, Give It a Spin — And Feel The Power Kick In:
• The Inner Sphere Unleashes Progressive Resistance, Pushing Your Arm, Wrist, And Hand Muscles To New Limits.
• The Faster You Spin, The More Intense The Workout.
• Just 3 To 5 minutes a Day Is All It Takes To Build Strength Safely, Faster Than Ever.