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