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