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