The origins of the cowboy boot are as tough to pin down as, well, a wandering cowboy. The biggest myth about this most iconic form of Western footwear concerns the boot’s pointed toe. To hear some old cowboys tell it, the pointed toe was the brainstorm of a clever cowpoke with a bad sense of aim. A pointy toe, he reckoned, would make it easier for him to slip his foot into his saddle’s stirrup. Wrong. In fact, cowboy boots had round or...