Directional Figure 8
The directional figure eight creates a knot in the middle of the line. It is made on a bight and can take strain in a single direction only. The strong load bearing loop knot finds mention in The Ashley Book of Knots.
How to Tie a Directional (Inline) Figure 8
- Can create handholds on a hauling line.
- Instrumental in attaching a Z-Drag (a mechanical advantage system) to the line in the absence of Prusiks.
Steps to Tying a Directional Figure 8
- Make a loop and tuck it under the line
- Pass the lower loop through the upper one
- Hold the standing parts while doing the previous step
- The tightened knot forms a loop
- Alpine butterfly knot – Useful when load is applied in either direction.
- Figure 8 on a bight – A weaker substitute. Can be tied anywhere along the length.