Chiro Anyone??

This is why horses might benefit from chiropractic adjustment. Envision the curvature of the spine from head to tail and the muscles that attach and support it. Think what is going on in the pelvic area here.

Cart Saddle

From: Moseman's Illustrated Catalog of Horse Furnishing's and Goods

Example of a Cart Saddle.
The Tug Chain is like a sliding back band and slides through a channel running over the back. These were used on cart horse that pulled very heavy loads. Click on the illustration for a larger view.