honestXmiistake answered Saturday February 24 2007, 1:10 pm: yeah it's for good luck, for example if someone said "i've never broken a bone" then they might knock on wood for good luck that they won't ever break a bone. lol hope i helped. [ honestXmiistake's advice column | Ask honestXmiistake A Question ]
hco_babe answered Saturday February 24 2007, 1:02 pm: its an old legend that if you "knock on wood" you will have good luck and it will prevent bad luck from coming your way. [ hco_babe's advice column | Ask hco_babe A Question ]
fabulous11 answered Saturday February 24 2007, 12:52 pm: hmm, lets see if i can explain it.
When people say something like "I've never..."
thenthey will say knock on wood, its like something peole do so they dont jinks themselfs and then it happens if that makes sence to you.
hope it helped
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