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