Knocks: Listen & Download Knocks .mp3 Error! Change your browser, please! ⇓ Download Metallic influx ⚠ Dragging the body on the ground ⚠ Tearing human flesh ⚠ Someone sneaks on all fours ⚠ House of horrors screaming ⚠ Horror, screeching, wheezing ⚠ What is it there in the dark? ⚠ Fright men ⚠ Carve the corpse ⚠ Blood splash ⚠ Siren ⚠ Sound of terrible tension ⚠ ★★★★★