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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In Asia, the digit 4 never appears in any Nokia handset model number, because 4 is considered unlucky in many parts of Southeast/East Asia.
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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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Placing a hat on the bed is, apparently, bad luck. (South Carolina)
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Amber beads, worn as a necklace, can protect against illness or cure colds.
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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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Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
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Placing keys on a table is considered unlucky. (Sweden)
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