Climbing the north face of the Cima Grande in the Italian Dolomites. We,d done the hard bit a 1200 ft overhanging wall, We were on the Head wall, easy bit roped up climbing together.I reached up for peg [piton] it came away in my hand .It seemed 5 mins I was trying to keep on the face it was probably 3 secs If Id come of we would have been goners 1500 ft to the bottom. Ive had some scary moments, but that one beats the Lot I didnt Climb the rest of the holiday,It took me a Long time for me to get my bottle back I still shudder about it