How To: Start a wrist powerball using the thumb technique

Start a wrist powerball using the thumb technique

There is a reason why this little gadget is called a powerball. It gets its name because it exercises your wrist, fingers, and forearm.
This instructional how to video will show you the easiest way to start a powerball using just your thumb.

Follow WonderHowTo on Facebook, Twitter, Pinterest, and Flipboard

Life Hacks for Your Smartphone

Fresh tips every day.

Be the First to Comment

Share Your Thoughts

  • Hot
  • Latest