Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
An acorn should be carried to bring luck and ensure a long life.
115
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.
75
According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
24
Placing keys on a table is considered unlucky. (Sweden)
3
An acorn at the window will keep lightning out
93
It's bad luck to leave a house through a different door than the one used to come into it.
143
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