The dominant up-and-inside fastball is the ball you'll hit the hardest; due to staying connected to your powerful core at contact. Focus on your core, and not your weaker and slower arms. Laser Blast drills will fix your current dependency on your upper body, training your mind and body to hit the up-and-inside pitch on game day; all you have to do is relax your upper body and explode using your core. - Recap: 13/08/2016 10:33 PM. Clinton Balgera to Eric Thames
Recap: 13/08/2016 10:33 PM. Clinton Balgera to Eric Thames
"The dominant up-and-inside fastball is the ball you'll hit...
*The information shown is a snippet between Clinton Balgera, inventor of Exoprecise Technology (including the Laser Strap), and Eric Thames, the first pro to purchase a Laser Strap seeking to improve bat speed, power, and precision; in preparation for his 2017 return the USA's elite competition. The information shown is factual, however; not intended as a Laser Stap product endorsement by Eric Thames.