Lock gate open: Listen & Download Lock gate open .mp3 Error! Change your browser, please! ⇓ Download Kick on the door ⚠ Laboratory experiment ⚠ Robot heartbeat ⚠ Lightsaber battle ⚠ Parachute deployment ⚠ Rope fall ⚠ Suction effect, Wet ⚠ Squatting the Mat (2 seconds) ⚠ Stir the liquid in a beaker, Chemistry ⚠ Balloon bursts ⚠ The noise of the great hall ⚠ Knocking, The noise of the elevator ⚠ ★★★★★