https://snowbrains.com/eyewitness-account-half-dome-death/

appears to be two cables, amenable to carabiner attachment, and
supervised by permit. proximate cause seems be rain, perhaps poor boot choice, inadequate technique, inadequate training.

Would a via ferrata add something to the current arrangement? If so, what might help?
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Dance like you have never been hurt, work like no one is watching,love like you don't need the money.