TonyGreenway
Well-Known Member
What hitch are you using? There's not much you can do to make a standard prusik adjust easily. Trying a different hitch, such as a schwabisch or distel, can make all of the difference in the world. I'm heavy, so I use a valdotain tresse on my tether because it's one of the easiest to adjust after heavy loading. I use the schwabisch on my LB.Fooled around with this a little tonight. In your video you're never really putting much weight on the hitch. How well is the tender working after you really set some weight into it? I tried it for my tether and after I set that hitch good I wouldn't be able to budge it with the tender.
Another thing to consider is friction between the tether/LB and the device. (Dee ring, in my case.) If you're pulling upward or out to the side, there's going to be substantial friction generated where the rope bends around the device. This is one reason I prefer the metal dee ring, it's very smooth.
Then there's the size differential in the diameter of the rope, the prusik cord, and the thickness of the device. You want the ring to be thin enough to fit snugly into the "corner" of where the rope and prusik cord meet. A fat ring doesn't break the friction of the hitch as easily as a thin one. You also want the ring to be just big enough to fit the rope through freely, creating more contact with the hitch. This prevents the hitch from jamming into the ring, effectively pinching it tighter onto the rope. This is why we place a thumb and forefinger on the top of the hitch and slide it down, rather than hamfisting it and trying to slide it down the rope. The goal is to break friction, not increase it.
Lastly, the length of the tender must be compatible with the length of the hitch. If the tender is too short, there will be slack in the hitch after advancement, thus making for difficult fine-tuning, and wasting effort as well as adding unneeded movement. If the tender is too long, the rope will act as if there is no tender at all.
If it would help, I'll take some photos or a video to aid in visualizing what I have so poorly articulated. I have a difficult time putting into words the ideas I try to express.
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