An acorn should be carried to bring luck and ensure a long life.
115
If one walks underneath an open ladder it is said to bring bad luck. Sometimes it is said that this can be undone by immediately walking backwards back underneath the ladder.
105
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
In some parts of England, rum is used to wash a baby's head for good luck.
71
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
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
It's bad luck to leave a house through a different door than the one used to come into it.
143
Placing keys on a table is considered unlucky. (Sweden)
3