It's bad luck to leave a house through a different door than the one used to come into it.
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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
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
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
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
Collect seven or nine different flowers on midsummer eve and place them under your pillow and it is said that you will dream of your future spouse. (Sweden)
463