Just FYI, the Clean Climbing movement that really picked up in the 70s has done a lot to try and minimize or avoid damage to rock. Just saying that as someone w

Just FYI, the Clean Climbing movement that really picked up in the 70s has done a lot to try and minimize or avoid damage to rock. Just saying that as someone who doesn't climb, who didn't know about this (and nuts vs pitons) until I was bored and browsing the book store once. https://en.wikipedia.org/wiki/Clean_climbing https://en.wikipedia.org/wiki/Clean_climbing