It's an iconic symbol of the Wild, Wild, Wild West; a dapper accessory in floral or bright colors that stands out against the denim and leather uniform like a sunset over the plains: The big silk scarf tied around the cowboy's neck.Although the kerchief is a real simple accessory, these little squares of cloth came in handy for many reasons, serving in a pinch as potholders, dusk masks, drinking water strainers, race flags, horse blinders, emergency saddle rigging, sunburn protection…