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Ron what do you do for a living? I would guess your an engineer!
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Oops, I forgot to respond. Yep I'm an engineer; I guess that's why I find tangles more entertaining than bothersome - they're something to solve. I don't make'em happen, but I don't spend a lot of worrying about trying to prevent them because even one as bad as the one in the video occurs, and that one is a very, very, rare one, usually, there just a couple of 'captured' loops at most, it isn't that difficult or time consuming to untangle during the coiling or flaking. Although of late, I've gotten to the point I just rake the throwline(s) (i.e. SlickLine; ZingIt is a different story) up and cram them in my gear bag almost as if I'm daring them to tangle, they rarely do though, well, no more than simple stuff that's quickly and easily sorted out. I find I spend more time trying to flake lines into a bag or coil than it takes me to deal with one or two simple tangles.
Essentially, the only time I get tangles is after the climb. I haven't had a throwline tangle during shooting a line in so long I can't even remember having one, but that's a little different. I flake everything pretty careful before I shoot a line and if I do encounter a tangle, it's usually a trivial one - a looped twig, etc.