An acorn should be carried to bring luck and ensure a long life.
115
It's bad luck to leave a house through a different door than the one used to come into it.
143
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
208
At times, a horseshoe may be found above doorways. When positioned like a regular 'U' it supposedly collects luck. However, when it is positioned like an upside-down 'U' the luck supposedly drains.
78
An acorn at the window will keep lightning out
93
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
298