how to throw and learn using Gripz baseballs- Justin, the creator of Gripz is demonstrating how to use the circle change up, 3 finger change up, 2 and 4 seam fastballs
4 people or kids can now train in the same area safely with the xstop prototype which allows a coach to teach 4 different kids and have 4 different drills being taught
Justin is throwing a Gripz Baseball in Brett's backyard. He is proving t his friends that he can hit the board against the wall, and he does it nice and easy with Gripz.
This video shows baseball players how to train using Gripz Baseballs, a revolutionary new training tool for pitchers. Uniquie GripRite Grooves show the pitcher where to place his fingers on the ball. Griprite Grooves teach muscle memory easily.