A Tensionless hitch is an anchor knot used for

rappelling Abseiling ( ; ), also known as rappelling ( ; ), is the controlled descent of a steep slope, such as a rock face, by moving down a rope. When abseiling the person descending controls their own movement down the rope, in contrast to low ...

rope rescue Rope rescue is a subset of technical rescue that involves the use of rope, be it steel or cable rope, or more commonly used nylon, polyester, or other type of rope. Kernmantle (kern = core and mantle = sheath) rope as it is called, is available ...

. Unlike most knots, the tensionless hitch retains a 100% efficiency rating, meaning the strength of the knot is equal to the strength of the rope; it is not a significant stress riser.

Tying

The working end of a rope is prepared by tying a

figure-eight loop Figure-eight loop (also figure-eight on a bight, figure-eight follow-through, figure-eight retrace, Flemish loop, or Flemish eight) is a type of knot created by a loop on the bight. It is used in climbing and caving. The double figure eight i ...

, and then clipping a carabiner through that loop. The rope is then wrapped around a smooth pole, pipe, round beam or tree branch which has a diameter greater than the rope. The rope is typically wrapped 3 to 4 times around the anchor, without crossing. Finally, the working end is attached to the standing part with the carabiner. An overhand knot may be tied around the standing part before the final wrap around the anchor.

References

External links

Animated tying instructions
Knots {{knot stub