Listen to Knocker, Large - Giant Metal Knocker on Solid Wood Castle Door: Knock Two Times Castle, Drawbridge & Stone Doors, Miscellaneous Household, Blockbuster Sound Effects online. Knocker, Large - Giant Metal Knocker on Solid Wood Castle Door: Knock Two Times Castle, Drawbridge & Stone Doors, Miscellaneous Household, Blockbuster Sound Effects is an English language song and is sung by Sound Effects Library. Knocker, Large - Giant Metal Knocker on Solid Wood Castle Door: Knock Two Times Castle, Drawbridge & Stone Doors, Miscellaneous Household, Blockbuster Sound Effects, from the album Doors - Vintage: Sound Effects, was released in the year 2012. The duration of the song is 0:03. Download English songs online from JioSaavn.