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