A Whole Bit Better: Effective Communication Through Proper Bitting and Relaxation by Dale, Ron, and Bob Myler will teach you all about bits, your horse's mouth, and how to improve your communication with your horse. The second half of the book is a guide to Myler bits and how each one works and what kind of horse would benefit from each bit. Whether you're shopping for a new bit or just want to understand what role exactly the bit plays and how to communicate with your horse better, A Whole Bit Better is a great tool.
Toklat Originals, Inc., OR
Copyright 2004; Fourth Edition.