Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
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
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
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
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225
Amber beads, worn as a necklace, can protect against illness or cure colds.
89
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
132
If one walks underneath an open ladder it is said to bring bad luck. Sometimes it is said that this can be undone by immediately walking backwards back underneath the ladder.
105