Survival tool. From a secure, stationary position, skis pointing across the hill: Face torso downhill, plant both poles on the uphill side (uphill pole toward tip, downhill pole toward tail), lift the downhill ski onto its tail, turn it 180 degrees and set it down parallel to the uphill ski, but pointing in the opposite direction. Moving the poles to help balance, stand on the downhill ski then lift and twist the uphill ski around to match the downhill ski.