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