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
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
An acorn should be carried to bring luck and ensure a long life.
115
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
In some parts of England, rum is used to wash a baby's head for good luck.
71