Sharpen Your Tools is a practice companion for beginning violin and viola players. It follows the pieces in Volume 1 of the Suzuki violin and most of the pieces in Volume 1 of the Suzuki viola books. Each page gives practical exercises that address the most common issues in string playing: posture, body balance, rhythm, bowing techniques, and left-hand development. This book is a must for parents and teachers who are working with beginners or for young adults who want to improve their string technique.