Knocks: Listen & Download Knocks .mp3 Error! Change your browser, please! ⇓ Download Horror ⚠ On the nerves like on the keys ⚠ Metallic influx ⚠ Dragging the body on the ground ⚠ Swarming, Human insides ⚠ Slightly noticeable ⚠ Horror, screeching, wheezing ⚠ Series of sounds with scary moments ⚠ Female scream ⚠ Bumps, metal rattle, Torture machine ⚠ Broken structures ⚠ Growling zombies ⚠ ★★★★★