Id# 4200268, Dimensions: 514 x 909 - View full size
From: Oakland CA
Jan 20, 2012
Nice illustration of the thumb sprag.
|By Adam Stackhouse|
Oct 29, 2013
Doesn't look all that necessary unless there is a big run after it...
Photo 3 of 11
|| 5.0 from 3 votes
The crux clip. It's all about the thumb. Photo by Kayte Knower.
Photo Of: Jay Knower