The Mechanical Advantage

Sign up here:

Every so often the standards of climbing “jump” to a new level. Such jumps in climbing standards often follow an innovation of tools and techniques, which then become standard modes of vertical ascent.

This story will be researched and published here in installments. Comments welcome!

SEARCH my sites

John Middendorf


John Middendorf
Climber, Designer, Inventor of A5 and D4 climbing tools.