Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
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
Collect seven or nine different flowers on midsummer eve and place them under your pillow and it is said that you will dream of your future spouse. (Sweden)
463
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394