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
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
132
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