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Water Knot (Ring Bend)
Water Knot (Ring Bend) TyingTie a loose overhand knot in the end of the strap. Thread the other strap in the reverse direction following the exact path of the first overhand knot. Pull the knot tight.
Water Knot (Ring Bend) Tying Details
Structure: The Water Knot (ABOK # 296, p 50) is essentially tied as an overhand knot. It is sometimes known as a Ring Bend
The second strap (or rope) passes along the course of the Overhand Knot in the reverse direction. The knot should be arranged neatly and pulled tight.
Other Names: The Water Knot is also known by various other names including: Tape Knot, Ring Bend, Grass Knot, and Overhand Follow-Through.
Uses: In climbing it is used to join two pieces of webbing strapping.
Danger: I am indebted to Walter Siebert for information about failures that may occur in at least two quite different ways: 1. Cyclical loading can cause the outer strap to work loose; 2. A snag or obstruction can catch the outer strap and flip it loose. Various options are available to minimize these risks:
1. Use long tails and tie an Overhand Knot in the tail of the Outer Strap.
Also see Testing by Tom Moyer.
Disclaimer: Any activity that involves ropes is potentially hazardous. Lives may be at risk - possibly your own. Considerable attention and effort have been made to ensure that these descriptions are accurate. However, many critical factors cannot be controlled, including: the choice of materials; the age, size, and condition of ropes; and the accuracy with which these descriptions have been followed. No responsibility is accepted for incidents arising from the use of this material.