Meet the Stance Doctor: a training tool designed to take your baseball skills to the next level. The Core unit comes with batting, pitching, and fielding training tools. The Stance Doctor helps you improve your core balance, stride length, and footwork to get better in every aspect of the game.
The trainer corrects long/short striding issues and forces you to use the correct core mechanics to hit better. It also teaches proper hip release and helps you develop muscle memory to perform better consistently. You can get yours for under $140.