Macrame knot WARNING
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- เผยแพร่เมื่อ 29 ก.ค. 2024
- Though not well known, many claim to use this knot for anchoring if
they anticipate difficulties with pulling the rope through the anchor.
This has always been presented as an advanced technique - but I don't like it. It is just not safe enough given the likelihood of grabbing the other strand and pulling the whole rope down.
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I was going to try the macrame technique on my next rappell but I now see how I would be one unintended yank of the recovery rope away from death. I have learned over the years that if something can happen, it eventually will. Thanks for insightful video
Imagine rapping down that thing and feeling the quick jerk....
´´It was at this moment, he realized....he fucked up!´´
Taglines for the win.
Thank you so much for posting this!
Thank you for making this video. I was skeptical of that knot, and now I know why. I will avoid the macrame knot.
Thank you. Very clear demonstration.
Thank you! Very easy to grab the "recovery rope" in a panic situation. Begone, Macrame Knot! :)
Worth noting you have to pull the recovery rope really pretty damn hard when it's under load to undo the knot.
Most important lesson is that the only safety is the size of that last loop, maybe it would be OK with a very big last loop although there is a risk of it getting stuck when you want to release
I have used this is knot a number of times once it is weighted it becomes so tight that it requires a great amount of force to undo and this chain reaction just simply does not happen in fact the major issue I've had with this knot is the extreme difficulty of undoing it once one has repelled on
Спасибо
What happens if you make bigger loops for each loop on the release side so that it doesn't pop out like that.
That would prevent that happening by creating a buffer space of the release rope.
hey buddy, are you alright??? I like you video!!!
What if you tied a prison knot onto the recovery rope so that way if you do accidentally tug on the recovery line you can still not fall?
I'm pretty sure you're misunderstanding something. Because there's only a bight through the bolt eye there is no knot that will prevent the rope from coming free if both sides are weighted. If you tie something that prevents the macrame knot from coming untied then you've defeated the entire purpose of using a releasable anchor.
має резон в арбористиці
Wow
I will pass on that knot . I will stick with a single rope double rappel
Oh shit....
"Warning, if you pull on the strand that will release the system, it will release the system...."
Um, yep.
Most believe you have to pull alternating strands 5 or six times to release the system, not just a single pull.
First of all, if you are using a macrame knot, you should be aware you should NEVER EVER pull the recovery side while hanging on the rope!
Miryam- No shit Shirlock. He's demonstrating that the "safety" in the knot setup is blatantly false. This type of anchor knot will get you killed.
@@225degrees the "safety" in the knot setup is only false if the user pulls both sides simultaneously...and come on man, no shit shirlock??? That's how you're going to cyber bully a girl with that corny ass outdated line???? sad.
@@ramsenohanes8733 You are barf. Pathetic.
I mean just dont pull that fuking line
You really don't k ow why it failed. Watch your video and see if you can see why it failed. Hinypt let go of the rope.
What???? Of course I know why it failed.
You're a complete Muppet!!
How can you let go of the rope if you're dangling from it on your harness?
The only way this knot has a backup is you you take the weight of your harness and then accidentally pull of the retrieval end and put all your weight on the retrieval end.
This scenario would never happen.
Other possibility isbif you just start using the retrieval end in the first instance and don't load the right end then is should hold up.
It's worth noting in my experience you have to pull then wrong end pretty hard to undo the knot when it's weighted so the chance of this happening mid rappel is pretty low.
But there is a chance.
Useful to be aware of.
@@richardschofield2201 I think you're misunderstanding Frodo's misunderstanding. Unless you've already unweighted your harness you can't obviously unweight that side of the rope, but in the video the (initial) release side is also continuously weighted. In theory a brief tug on the release side will release the first bight and turn the other side into the (new) release side. The weight on the rappel side will then release the 2nd bight, making the other side the release side again. -Now that- *If* the original release side is no longer weighted the next bight will hold instead of releasing. You're then counting on just 4 bights (really two pairs), but if all goes well that's twice as many as you need. The problem is that those bights may release quickly enough that a brief tug on the release side isn't brief enough. That's where Frodo is confused. He's right that pulling on the release side won't always guarantee complete failure, but he's stupid for not understanding that the point of the video is that weighting the release side very definitely has the potential for a catastrophic failure.
FWIW, I haven't watched every video about this method, but so far I haven't seen one that mentions marking the release side and isolating it. It should be safely located out of the way until all but the last rappeller are down (other than somebody checking your rigging it's even better to use non-releasing anchor for everyone else), and only lowered to the bottom just before the last rappeller is ready. If at all possible it should also be routed off to the side, where the (last) rappeller can't accidentally weight it somehow. Perhaps the ultimate irony would be grabbing it in an effort to increase friction or arrest an out of control rappel and having your anchor fail completely.
@@NYpaddler honestly the number of spelling errors in my comment I'm surprised you fathomed what I was talking about.
I don't quite agree with your comment however.
Have you ever used this knot?
You mention a "brief tug". Provided your harness is weighted (which it would be) no matter how briefly you tug on the retrieval end, it all comes loose.
This is counter intuitive as you would expect one of the bights to catch if the tug was brief enough, but it really doesn't.
If you've not tried, grab some climbing rope and throw it round your staircase.
If you give the retrieval end a brief tug AND unweight your harness it will hold.
If you keep your harness weighted, that brief tug creates some weird chain reaction and I suspect no matter how many bights you have they all come undone.
I have no idea why this is, nor have I tried putting 50 bights in to see if it does all eventually hold.
All I know is I am not capable of tugging the retrieval end brief enough to allow the knot to hold when my harness is weighted.
@@richardschofield2201 It's counterintuitive, but I'll take your word that all it takes is one brief tug. That said, I'll try to remember to try it sometime, because it's always nice to actually see some things for yourself. I've never used the knot, but if I did 6 bights seems a bit low (despite what intuition says should work). If I do remember to try it I'll experiment a bit to see if 10 or 12 bights is enough to hold.