What would be a primary use of a figure 8 knot?

The figure 8 knot is primarily used to secure a load, making it an essential tool in various applications, especially in climbing, rescue operations, and firefighting scenarios. Its design creates a strong, stable knot that is easy to tie and untie, even after being subjected to heavy loads or tension. This reliability is critical in situations where safety is paramount, as it ensures the secured item remains firmly in place during transport or while in use.

When tied properly, the figure 8 knot maintains a consistent and predictable shape, which further contributes to its security. It also serves as a strong anchor point for attaching additional ropes or gear, enhancing its versatility. While it can be utilized for decorative purposes or as a visual indicator, these are secondary uses and do not reflect the knot's primary function in safety and load-bearing applications.