Remember when farmers used a collar to harness a team of horses or mules to pull a plow or wagon? This collar was made of leather with padding to protect the animal’s neck and forequarters so he would not become disabled. The collar was made with a leather strap and buckle at the top, and the bottom was rounded to provide comfort to the animal. When the harness was put on the collar, it was designed to get the most even pull and least pressure