It's bad luck to leave a house through a different door than the one used to come into it.
143
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
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
An acorn should be carried to bring luck and ensure a long life.
115
Placing keys on a table is considered unlucky. (Sweden)
3
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