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Why Do We Knock On Wood?
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Why do we knock on wood?
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Knock on Wood" | Do You Know What this Popular Term Means? • 7ESL
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The saying 'Knock on wood' - meaning and origin.
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The Origins of the saying Knock on Wood | Awesome Canada - Entertainment and Lifestyle for Canadians
Why we knock on wood for luck
The Danny Kaye Show: Memories of "Knock on Wood"
