Placing keys on a table is considered unlucky. (Sweden)
3
In some parts of England, rum is used to wash a baby's head for good luck.
71
An acorn should be carried to bring luck and ensure a long life.
115
An acorn at the window will keep lightning out
93
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
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
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394