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