Answer to:
What's the superstition behind "knocking on wood"? Like most superstitious habits, there is no rationale behind it, only superstition. "Knock on wood" is an Americanized version of the older English phrase "touch wood". It is believed that by being a tree hugger you will grant yourself protection against something you were just speaking about (example: I haven't been mauled by an elephant, knock on wood). There are...