What is considered the strongest loop knot?

The figure-8 knot, particularly when tied with an inside bight, is regarded as one of the strongest loop knots due to its structure and the way it distributes force. This knot forms a secure loop that maintains its integrity under load, making it especially reliable in rescue operations. Its design allows for easy inspection and knot untie, which is vital in emergency situations where time and safety are paramount.

When considering the characteristics of the figure-8 knot, it offers a high strength-to-weight ratio and is less likely to slip compared to other types of knots. Additionally, the figure-8 knot can be easily tied and untied even after being loaded, which is crucial in rescue scenarios where knots may need to be released quickly.

Other knots, such as the bowline and double fisherman's knot, while strong, do not provide the same level of security or ease of use in the context of creating a reliable loop under load. The square knot, on the other hand, is primarily used for joining two lines and lacks the stability needed to be classified as a loop knot suitable for rescue applications. Thus, the figure-8 knot stands out as the most suitable choice for situations requiring a robust loop knot.