If you can throw a baseball or play a game of catch, Gripz Baseballs can help you improve your game and dominate the competition by throwing more strikes and gaining confidence in your game. Gripz Baseballs make learning and teaching easier with GripRite Grooves, created exclusively by All-Star and Cy Young Award Winner Jack McDowell and 643 Inc. GripRite Grooves are patented finger grooves which are sunken/indented into the surface of the baseball. Each GripRite Groove is assigned a number 1-5 to guide each finger into proper position. Whether using Gripz Baseballs for backyard fun or preparing for the big game, trust our brand to create future All Stars.