Directional figure eight - Wikipedia

How to Tie a Directional (Inline) Figure 8 Loop Knot

Inductance Analysis of Figure-8 CoilExplanation

Knot - Wikipedia

How to tie a directional figure 8

Knot Tie-ing: Adjustable loop and knot that gets more secure as

a) Plot of unit magnetic field in y-direction of the 14-turn

Figures for improving balance: figure 8

Directional Figure of Eight Knot: Step by Step How to Tie It

Directional Figure Eight?