A stable bit provides the horse with clarity and confidence in the rein aids. When a bit moves too much—because of incorrect sizing, unsuitable shaping, or poor cheekpiece adjustment—the horse reacts by trying to find relief or stability.
Signs of Bit Instability
Head tossing
Leaning or dropping behind the contact
Opening the mouth
Irregular rein feel
Inconsistent outline
How to Improve Stability
Through professional fitting, the bit can be adjusted or changed to suit the horse’s anatomy, helping create a quieter contact and more relaxed, forward movement.