Cordelette vs sling for climbing The one that I use the most is the double fisherman but it's a pain to untie. A Purcell is also just a cordelette that can be untied and used as an anchor if need be. They tend to be more versatile and durable than dyneema slings, and they are cheap enough to cut up or leave behind. The Double Sling. It can also be used as an alternative to the overhand to join ropes for abseiling. 0 Mar 27, 2022 · Note - This post discusses techniques and methods used in vertical rope work. 240mm dyneema/nylon sling is also great, especially if you're not worried about complicated belay stations. Knot the sling to reduce overall prusik length. Aug 16, 2021 · To tie this anchor, you’ll want a 6+ foot anchor sling or cordelette. The double fisherman's bend is used to tie two ends of equal diameter cord together to make a prusik or cordelette. szhknclvsewmqtpodrlskenxooffbhwlzntlelljptqzoiojwnkpktzgsftwpbmvxwhtvjxehagwwnv