Most times it happens after an aborted takeoff and the pilot
turning the "wrong" way , not turning for his usual reverse launch
direction.
- If you managed to get it wrong, and get lifted up and end up
twisted, recommendation is to steer then away from the ridge using the
backrisers.
Mike Kueng demonstrating how to control your wing with the backrisers facing backwards.
And if you got the bandwidth download the video
clip how not to do it.
This document can be found at http://marca.homelinux.com/ulf/skygod/index.html