Page 70 - Nate Fitch, Ron Funderburke "Climbing Knots"
P. 70
Push a slipknot through the bight from the standing
end of the brake strand.
Elongate the
resulting loop, and
use an overhand with
a bight, in front of the
belay device around
the load strand, to
close the knot.
Using the Rope to Belay 57