Bumper strikes: Listen & Download Bumper strikes .mp3 Error! Change your browser, please! ⇓ Download Drop an empty metal canister ⚠ Trash can lid ⚠ Rattle of metal, Drop ⚠ Kick on the car ⚠ Ringing chain ⚠ Falling object on a metal surface ⚠ Drone,, The movement of cars on the bridge ⚠ Mailbox opening, keying ⚠ Roll a metal barrel ⚠ Metal creaks,, Big trolley being driven ⚠ Metal strike ⚠ Dragging a metal canister ⚠ ★★★★★