A. From corner of mouth over the poll, and to the other corner of mouth. B. Circumference of nose, taken about two fingers width below the prominent cheek bone. C. Circumference of Girth D. Length of back from position of harness saddle to base of tail. E. Length of horse, from point of shoulder to buttock. F. Height at withers. These measurements together with the body weight and the type of horse, and the style of the vehicle the harness is intended for, will enable the harness maker to satisfactorily fill your order.