Placing keys on a table is considered unlucky. (Sweden)
3
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
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
An acorn at the window will keep lightning out
93
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
In some parts of England, rum is used to wash a baby's head for good luck.
71
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.
78
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394