Efficient horse collar Scarlett Torres Who developed the horse collar? The Chinese developed the horse collar around the fourth century BC, they devised a harness with a breast strap known as the trace harness, modified appropriately one hundred later into the collar harness. Where was it created? It was created in China When did it begin to be used? The first type of harness was used in the Han Dynasty (202 BC-220 AD). What did it do better? The collar, which was modified approximately one hundred years later into the collar harness, made it so that the horse wouldn’t be chocked which reduced the efficiency of having the collar. The collar made it so that a horse could be able to haul a ton and a half by itself instead of having two horses which could only haul a ton. How was it important to create the ‘Golden Age’ in China? This invention made it so that the horse could exert its full strength in plowing, this made it so that ploughing became more widespread. When and how was this invention Adapted by Europeans? The horse collar became known to East Asia in the seventh century, and it was introduced into Europe in the eighth century. Citations: Wikipedia, Wikimedia Foundation, en.m.wikipedia.org/wiki/.Horse_collar#Breastcollar_harness.