Rope Clamp
Also known as:Tandem Prusik
Description
Two Prusik knots used in tandem on the same rope for rope walking and ascending. One knot is attached to the foot and the other to the harness. The climber alternates weight between them to ascend.
Common Uses
Rope ascending (prusiking), rope access work, recreational tree climbing.
When to Choose This Knot
Choose this knot only in the context of proper climbing instruction, inspected equipment, and a complete safety system. Climbing knots are not isolated tricks; they interact with harnesses, carabiners, anchors, belay devices, and partner checks.
Safety Notes
- Use professional instruction and follow the standards of your climbing gym, guide, rescue team, or local authority.
- Perform a partner check before every load-bearing use.
- Retire damaged rope and never experiment with unverified knots at height.
How to Tie
- 1Tie two identical Prusik loops using 6mm cord wrapped around the main rope.
- 2Attach one Prusik to the harness with a carabiner.
- 3Attach the other Prusik to foot loops with a carabiner.
- 4Stand in the foot loop to release the harness Prusik, slide it up, then sit to release the foot Prusik.
Common Mistakes
- Practicing the knot correctly once and then skipping inspection under real conditions.
- Using the wrong carabiner orientation or anchor geometry.
- Replacing supervised training with a web article.