Cast Horse - metallic puzzle by Hanayama

In Cast Horse your mission is removing the ring and putting it back to the original position! Back in Americas wild west, horses were the sole mode of transportation. In those days, cowboys had to do whatever they could to keep their horses from being stolen. Its said that one cowboy had the idea of rigging horseshoes up to work as a lock. So as the story goes, that was the starting point for this puzzle. Dont just use your headyouve got to wrangle with this one to solve it. The key word is horses.