What should be the appropriate length of the gullet space in a saddle?

The appropriate length of the gullet space in a saddle should indeed be about 2-3 fingers. This measurement is crucial because it ensures that there is adequate clearance for the horse's spine and withers while preventing any pressure points that could lead to discomfort or injury. The gullet is the channel in the saddle that runs along the underside; if it is too narrow or too wide, it can impinge on the horse's musculature or spine, leading to issues with movement and overall well-being.

Having a gullet space of 2-3 fingers allows for a comfortable fit, ensuring the saddle does not interfere with the horse's natural movement. Additionally, it provides enough room for any fluctuations in the horse's body shape due to factors like weight variation or seasonal changes in coat. This attention to fit is essential for both the performance of the horse and the safety and effectiveness of therapeutic riding sessions.