SuperSpeed Junior Training System helps players from ages 12-15Junior Model: The Junior SuperSpeed Golf Training System helps players from ages 12 15 maximize their golf swing power potential. This system is also perfect for adults under the height of 52 who use a lightweight driver. Coupled with our complimentary online video instruction series, this system will help you increase the speed and power of your golf swing by 5% to 8% in as little as 4 6 weeks of regular practice. Become one of the longest and most