The superstitious symbolism of a black cat crossing one's path is dependent upon culture: some cultures consider this a sign of impending bad luck, while some cultures consider this a sign of impending good luck.
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An acorn at the window will keep lightning out
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Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
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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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Before traveling a person should, apparently, sit on their luggage. (Russian)
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An acorn should be carried to bring luck and ensure a long life.
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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
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
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