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
Placing keys on a table is considered unlucky. (Sweden)
3
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
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
It's bad luck to leave a house through a different door than the one used to come into it.
143
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
298