It's all about the backspin!
​Generating backspin when throwing is crucial for speed, accuracy and much more.
Listen below as a college baseball coach
explains how the Baseball Spinner can help. 

The Four-Seam Grip
Developing the correct grip is the initial key to proper throwing mechanics.
 Understanding and practicing the four-seam grip
is easy and FUN with the Baseball Spinner!

Watch the video below to see just how easy!