20" x 20". Hidden Zipper in Back Linen with Feather Down Fill Knife Edge or Corded Finish There are conflicting thoughts about how a horseshoe should be viewed. An upright open horseshoe is considered good luck, or a storage container for good luck floating by. In the reverse position, some believe that good luck will fall out. Others think that a horseshoe hanging down will release its luck to the people around it.