Hang a horseshoe on your door with the open end up for good luck. The horseshoe is considered to be a good luck charm in a wide range of cultures. Belief in its magical powers traces back to the Greeks,

This superstition originates 5,000 years ago in ancient Egypt. A ladder leaning against a wall forms a triangle, and Egyptians regarded this shape as sacred (as exhibited, for example, by their pyramids).