knot commonly used to join two ends of a piece of tubular webbing to create a loop (see water knot).

beer knot (Wikipedia)

A beer knot is a bend used to join tubular webbing. Its most common application is in constructing slings used in rock climbing. Compared with the water knot, it has the advantages of a higher strength, smaller profile, and a cleaner appearance due to the lack of free-hanging tails. However, the beer knot can be more difficult to tie than the water knot, and one of the tails is hidden from view, making safety checks for adequate tail length more difficult.

Beer knot
Beer knot retouched.png
RelatedWater knot
Typical useMaking slings with tubular webbing
CaveatDifficult to visually assess the length of the free end inside webbing

Testing by PMI in 1995 showed that the beer knot preserves about 80% of the strength of the webbing.

The beer knot was introduced to the National Speleological Society in the 1980s by Peter Ludwig, from Austria.

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