At times, a horseshoe may be found above doorways. When positioned like a regular 'U' it supposedly collects luck. However, when it is positioned like an upside-down 'U' the luck supposedly drains.
78
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
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.
75
Placing keys on a table is considered unlucky. (Sweden)
3
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.
208