Among the Stones with Ivan Cuk 

Ivan is a young prodigy in the world of grip. At age 18 he certified on the Captains of Crush 3.5, and, he has since closed a 189lb RGC gripper in a credit card set. He just turned 19, and, he has his sights set on certifying on the Captains of Crush 4 under the new rules! Ivan shares some excellent training advice on this must see interview!