Horse collar of the Oseberg ship burial). The problem with a breastcollar harness was that the actual shafts of the cart, chariot, or other vehicle are attached to a surcingle around the barrel of the horse. The breastplate primarily kept the surcingle from slipping back, not as the primary pushing object. This results in the horse literally pulling the load, a less efficient use of the animal. The modern breastcollar has traces which transfer the pull directly from the breastcollar, but a horse collar still is more effective for pulling heavy loads. After the breastcollar harness, the next and final evolutionary stage
Girth (tack) the center, and the Atherstone style is a shaped piece of baghide with a roughly 1.5” wide strip of stronger leather running along the center. A variation on this is the overlay girth, in which the piece of leather in the center is the same curved shape as the girth. This overlay is often stitched in a decorative design. Unshaped girths are commonly made of flat, heavy cotton, or padded cotton with nylon webbing reinforcement, or out of leather as in the tri-fold or threefold girth, popular among sidesaddle riders and traditional foxhunters. Fleece girth covers are often used on