Things You'll Need:
- Climbing rope
- Cordalette sling or loop
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Step 1
Lay your sling out flat. Lay the part of the rope you'd like to attach the sling to straight on top of the sling. There should be one half-loop of the sling showing on either side of the rope.
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Step 2
Wrap one half-loop of the sling around the rope, passing inside the other half loop. That "other" half loop will stay untouched for now.
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Step 3
Repeat Step 2. Continue wrapping the sling around the rope, with each wrap passing inside the original "other" half loop, and being layered onto the rope inside the previous wraps. The number of times you wrap the rope determines the holding strength of the hitch. Most climbers make at least three wraps for a prussik hitch. Wrapping it more times makes it stronger, but harder to move up and down the rope.
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Step 4
Tighten the hitch by tugging on the loop you were wrapping with. The "other" loop that each successive wrap passed through, should tighten up against the wraps you made and help to hold them in place.
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Step 5
Test the hitch to make sure it grips the rope properly. Pulling on the loop that sticks out--the loop you were wrapping with--should make the hitch "grab" the rope. Unweight the loop and you should be able to move the hitch up and down the rope again.
