Informant: A family friend that lived in Timpson, Texas when she was younger and her grandmother would do this
Original Script: ” My grandmother used to have a horseshoe nailed over her front door. The legend was it was to keep the hants (a southern colloquialism for ghosts) from entering the house.”
Thoughts: Having a horseshoe over the doorway was a common superstition in Feng shui believed that an actual worn horseshoe was infused with good energy because a horse was a strong powerful animal.