Page 250 - Buck Tilton - Outward Bound Ropes, Knots, and Hitches 2 ed.
P. 250
CLIMBING KNOTS: Loops
Figure 8 Follow-Through
A FIXED LOOP, THE STANDARD TIE-IN KNOT FOR
CLIMBERS
Since the tie-in knot is where a climber is attached to a
climbing rope, it is of critical importance, since the climber
could fall and depend on the rope—and the knot—for life.
The figure 8 follow-through is most often chosen. If you can
know only one knot well, beginning climbers are often told,
the figure 8 follow-through is the one.
Figure 8 Follow-Through: Step 1