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
Body belt Body belt A body belt is any waist belt which has D-rings or other attachment points. The belts can be used as medical restraints in institutions for bed and wheelchair restraints, and for safety in activities such as abseiling or construction work. When they are used in sexual bondage plays they are commonly referred to as bondage belts, and also worn in fetish clothing. The belts are usually fastened with buckles and some by a locking mechanism, which enables quick release. Historically body belts were used as a personal fall arrest system but OSHA rule changes meant they ceased to