Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
An acorn at the window will keep lightning out
93
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
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
A single magpie is considered a sign of bad luck. A Guide to the Scientific Knowledge of Things Familiar recites an old proverb concerning the incidence of bad weather when magpies forage alone and a possible scientific explanation for this.
49
In some parts of England, rum is used to wash a baby's head for good luck.
71
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
Placing keys on a table is considered unlucky. (Sweden)
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