- The D-Flex will give you a kinesthetic feel of how to keep your toes up as you sprint!
- Includes a manual full of training protocols
(Click Here to Download at www.biggerfasterstronger.com)
- "The D-Flex by Alpha Dog Sports is the best speed training tool I have ever used for teaching athletes the proper foot positioning while sprinting and performing agility based movements. Football, track, soccer, lacrosse - you name it the D-Flex is fantastic!"
Head Strength and Conditioning Coach
University of Tennessee