You don’t have to be a great singer to write a great song—just ask Bob Dylan. Likewise, you needn’t be a Leonardo to draw your way to more and better ideas. Sketching helps you generate concepts quickly, exploring alternatives rapidly and at no cost of resources. The looseness of a sketch removes inhibitions, granting clients and colleagues permission to consider and challenge the ideas it represents. Mike Rohde outlines the practice, surveys the tools, and shares ways to become confident with this method of brainstorming, regardless of your level of artistic ability.