The K-String is designed to help give pitchers feedback on the placement of their pitches as well as develop consistent low strikes for all pitches. A problem when throwing bullpens is that you don't truly know the exact height the ball is crossing the plate at. The K-String let's a pitcher train themselves to always throw the perfect strike, at the knees. No matter if it's a fastball, change up or something with more movement you want the pitch to cross at knee level.
The string can be hit by the ball and does not affect the pitch.
K-String is portable and can fit in any baseball bag.
EDGE K-STRING (1) from The Edge Bat on Vimeo.