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