So you want to improve your baseball game? You need to work on your core balance, footwork, and other parts of your game. The Stance Doctor can help. It is a system designed to help you improve in all facets of the game. It comes with a batting aid, pitching aid, and fielding aid.
The above videos should give you a taste of what the Stance Doctor is capable of delivering. You can get yours for under $140 at this time.