Amber beads, worn as a necklace, can protect against illness or cure colds.
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It's bad luck to leave a house through a different door than the one used to come into it.
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Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
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If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
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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.
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When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
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Opening an umbrella indoors is said to result in 21 days of bad luck. Some traditions hold that it is only bad luck if the umbrella is placed over the head of someone while indoors.
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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)
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