Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
In Asia, the digit 4 never appears in any Nokia handset model number, because 4 is considered unlucky in many parts of Southeast/East Asia.
78
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
132
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
Placing keys on a table is considered unlucky. (Sweden)
3
Before traveling a person should, apparently, sit on their luggage. (Russian)
117