He was pretty sure on Earth, horses usually wore shoes on all four hooves, although he'd noticed here that a lot of the ponies didn't have shoes on their forehooves—of the construction ponies, only Silver Spanner and Allie wore them up front. Diamond Mint did as well, but not Starlight. He was less sure about the hind hooves—he'd seen Silver Spanner's when she was lying under the sink, but the rest of the ponies had kept their hind legs on the ground when he'd been around them.