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