Vids The Most Important Training Tool February 18, 2020 Gym Climber Share this Facebook Icon Twitter Icon Email Icon Join Gym Climber Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join Gym Climber Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Get access to everything we publish when you sign up for Outside+. While new school forms of climbing, including skate-style moves and run-and-jumps, are taking center stage in climbing gyms, the old school spray wall remains an essential training tool. Adam Ondra explains why. Also Watch Friday Feat: Favia Dubyk, cancer survivor, sending in a wedding dress