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Q&A What is this white substance some climbers smear on their legs?

In Dean Potters and Sean Leary's 2010 attempt to take the speed record of The Nose at El Capitan in Yosemite, Dean Potter has something white on his legs (and arms?): What could this be, and whi...

2 answers  ·  posted 6y ago by Paul Paulsen‭  ·  last activity 6y ago by System‭