Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
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
Placing keys on a table is considered unlucky. (Sweden)
3
There are numerous sailors' superstitions, such as: it is considered bad luck for a ship to set sail on a Friday, to bring anything blue aboard, to stick a knife into the deck, to leave a hatch cover upside-down, to say "pig", or to eat walnuts aboard.
70
An acorn at the window will keep lightning out
93
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64