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For Safety’s Sake Don’t Do This: Saw Through Someone Else’s Rope

An experienced climber makes the mistake of lowering over another team's rope.

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I was belaying my friend at the gym. As he was nearing the top of the wall, another climber headed up a neighboring route. My friend clipped the chains and lowered. While he was on the ground untying, the other climber clipped the same chains and lowered, while my rope was still threaded through the anchor. Fifty feet of his rope rubbed across one point of my rope, a new 9.8 on only it’s third day in use. When we pulled it we found a dime-sized hole burned through the sheath with some damage to the core strands. The climber who lowered over my rope had over 20 years of experience, as did his belayer. They both claimed they didn’t know this kind of rope-on-rope friction could cause damage. Fortunately, he bought me a new rope to replace it.
—Daniel, via email

LESSON: This is a good reminder to stay humble, no matter how long you’ve been climbing. There’s always more to learn, and you can always make mistakes. Ropes and slings are made of nylon or dyneema. While these materials are strong for climbing applications, they can melt. You know how you can get rope burn on your skin? The same thing happens when a climbing rope rubs across any other surface. This is why we run the rope through carabiners in a climbing anchor instead of directly through a cordelette or slings. The friction would cut them quickly. A good rule of thumb is to use hard goods (carabiners, rappel rings) in between your soft goods (ropes, slings).

Let’s say it’s too late and you’ve got a core shot in your brand new climbing rope. What do you do? Trash it? If it’s right in the middle of the rope and the two halves wouldn’t be long enough to be useful on their own, then yes. That rope may only be good for a rug. On the other hand, if the damage is close to one end, you can cut off the damaged section and continue to use the rest. Keep in mind that by modifying the length of your rope, it may become too short to climb certain routes safely and previous center marks will no longer be accurate. Serious accidents have been caused by shortened ropes, so be extra careful when using one.

Now because we get so many stories of climbers making bad choices and then being jerks, let’s take a second to commend the offending climber here. He made a mistake, he owned up to it, and he did the right thing by replacing the rope. Good job.


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