My friend wrote the most concise banking and kicking e-book. Now I know the diamond system and my accuracy dramatically improved. Download the e-book on your phone with kindle.
Banking and Kicking made simple by Macel Elfers
https://www.amazon.com/Banking-Kick...&qid=1466741090&sr=8-2&keywords=marcel+elfers
Banking and Kicking made simple by Macel Elfers
https://www.amazon.com/Banking-Kick...&qid=1466741090&sr=8-2&keywords=marcel+elfers