Every door has a hinge, A door that doesn't is a wall, it just doesn't work. The Hinge is the moment, event, or person that makes all the difference. It connects who we are with who we become and it only takes one. Mental Toughness is what allows the Hinge to connect. Will you be ready? In this cutting edge book, you'll learn: How a plane crash changed the music landscape forever in America. How a blade of grass caused the dominance of Korean golf. What Hall of Famers really believe. The most important mental skills and how to apply them. Why we should listen to our gut. To understand that "it only takes one.""