Originally Posted by jackdale
Tether attachment clips.
Gibb, Wichard or similar dual action attachments for jacklines, U bolts. I will not use simple gate clips.
Yes, locking biners are a must
at the jackline or u-bolt end. The CE standard includes a test procedure where the biner is rotated through certain arcs on 2 different sized u-bolts. It is very sobering to see just how easily a plain wire gate biner will unclip from a u-bolt; plain biners generally fail on the first rotation.
(when asked how he reached the starting holds on a difficult rock climbing problem that clearly favored taller climbers - he was perhaps 5'5")
"Well, I just climb up to them."
by Joe Brown, English rock climber
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