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