Placing keys on a table is considered unlucky. (Sweden)
3
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
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
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
A single magpie is considered a sign of bad luck. A Guide to the Scientific Knowledge of Things Familiar recites an old proverb concerning the incidence of bad weather when magpies forage alone and a possible scientific explanation for this.
49