All horses are different in their anatomy, disposition and behaviour, and their understanding changes as they develop through their training. It therefore makes no sense to “shoehorn” a horse into a particular bit just because the rider is familiar with it, or is pleased with how it has worked on other horses.
Communication is a two-way process, but horses and humans have very different approaches to it. Humans have almost too many means of communication at their disposal and often struggle to use them in a clear and consistent way. Horses, on the other hand, can communicate with us only in two fundamental ways: relaxing or resisting. Achieving a real partnership between horse and rider depends on effective communication and is the mark of a true horseman.
The Myler System provides a humane; logical; and effective approach to bitting: