Page 87 - Nate Fitch, Ron Funderburke "Climbing Knots"

In the process of enwrapping the rope, loop the Prusik
loop through itself three times. Be sure the joining knot
does not interfere with the wraps or the clipping point
to carabiner.

Be sure each wrap of the Prusik is parallel, without
twists.
74 CLIMBING: KNOTS