What is an 'anchor knot' commonly referred to as?

An 'anchor knot' is commonly referred to as a figure 8 on a bight. This knot is particularly known for its strength and is often used in climbing, sailing, and other outdoor activities where a secure loop is required. The figure 8 on a bight creates a double loop, which allows it to be easily attached to a harness or other equipment, providing a reliable anchor point.

The design of the figure 8 on a bight is advantageous because it is easy to tie and untie, even after being subjected to heavy loads. It also minimizes the risk of slipping, making it a favored choice for safety-critical applications. Understanding the characteristics and appropriate use cases for different knots, such as the figure 8 on a bight as an anchor knot, is essential for anyone working in environments where securing loads or oneself is paramount.