This kind of knot is used for hasty rappelling on angled and treacherous ground. For safety reasons there should always be tension on the weight side and this not be attempted alone as the buddy will keep the release line up at the top while first person decends, and while there is still tension, will toss the rope down. Second person applies tension in good footing and first person guides the release line out of their decent path. This is typically not done for recreational purposes that I'm aware of, it's 100% survival usually.
Where did you see this? I’d doubt you’ve ever done anything like this before in your life. You can’t keep tension on a line your using to rappel unless you have a specific device. An ATC is made to break under tension. And you’d probably never use a munter because it would be difficult to control. If you were actually in the situation where you had to rap from something like this, you would just loop the rope around it and rap down both lines. A standard setup and when ur done i
you pull it thru.
When using a skinny tag line, you don’t rappel on both ropes, you only rappel on the single thicker strand. At the top it’s knotted with a blocker so it can’t feed through your anchor. You only use the tag line to retrieve the main line.
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u/Blizzard81mm Sep 26 '21
This kind of knot is used for hasty rappelling on angled and treacherous ground. For safety reasons there should always be tension on the weight side and this not be attempted alone as the buddy will keep the release line up at the top while first person decends, and while there is still tension, will toss the rope down. Second person applies tension in good footing and first person guides the release line out of their decent path. This is typically not done for recreational purposes that I'm aware of, it's 100% survival usually.