New Modern Movement Edge Board Extension Trainer M Trac App Syncable Grey Black Brown Laces Designed and sized specifically for 12":Black Designed and sized specifically for the growing player Longer length provides full range coverage Internal Natural Tumbled oil tanned steer hide VRS Palm PAD Reduces sting of ball impact Pro GRADE RAWHIDE LACE Professional grade USA tanned rawhide lace tested to a high strength 34" Catcher's MITT Pattern Extended palm with open back log number of reps and range of movement & store workout history Project M Trac onto a monitor or TV for easier viewing Curved wheels enable arcing turns that engage a wide range of muscles Braking action stops movement at any point start with short extensions and gradually increase over time Designed to create instability that works to build your core Ergonomically designed handles Removable device tray Sync with M Trac App to create a seamless integration of technology and strength Track results on device