Page 64 - Peter Randall "The Craft of the Knot.."

Also called the Round Turn Bowline, this version can provide for more
security, especially if the rope used is very slippery.

FIGURE EIGHT LOOP

The Figure Eight Loop is popular with climbers due to its distinctive look
when tightened, which helps to determine whether it is tied correctly.
For a high level of security, the running end can be secured to the
standing part with a Triple Overhand Knot (see Chapter 1).

STEP 1 Begin by folding over the running end to make a bight, and use
it to form a Figure Eight.

STEP 2 As you tighten the knot, the bight will form the loop.