Knocks: Listen & Download Knocks .mp3 Error! Change your browser, please! ⇓ Download Horror rumble ⚠ Horror ⚠ Throwing a knife at a person ⚠ Ghost ⚠ Metal rotation ⚠ Shock ⚠ Mystical jingle ⚠ Broken structures ⚠ Phantom atmosphere, buzz ⚠ House of horrors screaming ⚠ Scary video transition sound ⚠ Man groans in pain ⚠ ★★★★★