It's bad luck to leave a house through a different door than the one used to come into it.
143
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
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
Amber beads, worn as a necklace, can protect against illness or cure colds.
89
An acorn should be carried to bring luck and ensure a long life.
115
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