Why do horses need horseshoes?

You don’t see most horses wearing pants, jackets or hats but one thing is for sure - they’re almost always wearing shoes! You know, those u-shaped things attached to their hooves. Why is that? Large animal surgeon Whitney Cutrone helps us find the answer.  Are you saddled with a big equestrian? Send it to us at BrainsOn.org/contact, and we’ll get to the mane issue. See omnystudio.com/listener for privacy information.