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> Thumb Tack (5.11d 7a 24 VIII 25 E5 6a)
ID 105949001 ·
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Tony B
Apr 20, 2007
“Tony Bubb tries to figure out the crux of 'Thumb Tack (5.11+)' at the Bihedral Rock in Boulder Canyon. The steep crux is protected by a micro-cam or a small nut. Photo by Alan Doak, 2004.”
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