Knock On Wood Protective Showcase A custom silk-screen printed high quality brilliantly and masterfully stylized showcase for your piece of wood. Wood Piece A hand-carved customized piece of wood engraved with our trademarked slogan, Knock on Wood, for long lasting durability. Knock On Wood Language Translation 12 professionally engraved and certified language translations of our trademarked Knock on Wood phrase. Language translations are located on the inner channel of your wood piece Certificate of Authenticity A certificate of authenticity verifying an authentic original of the Knock on Wood trademarked series of products. http://www.youtube.com/watch?v=8H4WmF78L3M