SSL's Foundational Footwork DVD is the basis for your athletic and fitness goals. Whether you want to rehab an injury, gain inches on your vertical, or add MPH to your fastball, this is where you start. By training the bare foot, and adding variable balance to every aspect of it, SSL's Foundational Footwork DVD brings attention to the part of your body that handles 99% of your athletic motion, with 1% of your body's muscle.