Friday the 13th is not just a movie about a guy in a hockey mask with demonic rage issues . It is a real fear for some people. Common superstitions (and their ...

This common superstition has some murky (at best) origens. Here, we get into the history of knocking on wood for luck.

There are a few possible explanations for the superstition, but little agreement on which may be the true origen.

Discover the origens of the classic phrase 'knock on wood,' which could be tied to a Victorian-era children's game or have more direct ties to old pagan traditions.

The backstories behind some of the most common superstitions are pretty silly, so why do we still do them today?

Superstition: Knocking wood for luck may well come from times when people believed that trees served as the homes for protective spirits or gods. Since trees are so firmly rooted in the earth, knocking wood may have had the additional aspect of intensifying a wish.

The old church door-knocker!

Funky cool shattered door.