![](https://cooperativehorse.com/wp-content/uploads/2017/11/IMG_8836-570x350.jpg)
Last January, Tonka started to twitch his head, but only when ridden, and only in a specific posture. I called on my veterinarian. Whatever it was that was bothering him seemed to be a small issue. Tonka was otherwise sound. We checked his bridle and saddle fit, which were fine. […]