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