Drawbridge, lower chains: Listen & Download Drawbridge, lower chains .mp3 Error! Change your browser, please! ⇓ Download Chain hoist, Chain ⚠ Drawbridge raise chains ⚠ Small hydraulic gear ⚠ Bicycle hand pump ⚠ Off, Hydraulic mechanism, on ⚠ Foot pump inflating a mattress ⚠ Kick the bike speed switch ⚠ Drawbridge, lower chains ⚠ Mechanical sounds ⚠ Hand winch ⚠ ★★★★★