Quick, activate the human traction aid

Don't underestimate the ability of a bloke or two standing on the high corner to regain traction. It's quick, easy, you don't have to connect anything or push a button. Make sure grippy shoes are being worn and that your man is good at hanging on, or jumping well clear. You won't see this technique in instructional material because in these OSH sensitive days, it's as politically incorrect as you can get, short of suggesting he lie under the wheel.