Mechanical Advantage: Tools for the Wild Vertical
by John Middendorf
#319
in 🏈 Sports
in 🏈 Sports
1K+
free subscribers
free subscribers
Mechanical Advantage: Tools for the Wild Vertical
About the Substack
The history of engineered tools for climbing and alpinism (and some environmental rambles).
(Looking for D4 portaledges? See bigwalls.net)
About John Middendorf
Climber, Designer, Inventor of A5 and D4 climbing tools.
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