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