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