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.
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It is bad luck to put new shoes on a bed (or a table) (comes from the tradition of dressing a corpse in new clothes and shoes and laying them out so everyone can give their respects) - (UK)
57
In some parts of England, rum is used to wash a baby's head for good luck.
71
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
An acorn at the window will keep lightning out
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Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
298
Amber beads, worn as a necklace, can protect against illness or cure colds.
89