Page 32 - Peter Randall "The Craft of the Knot.."

STEP 3 Snug down by pulling each of the strands repeatedly.

Another way to tie the Matthew Walker Knot is to lay the strands in
successive Overhand Knots.

STEP 1 Use one strand to make an Overhand Knot.

STEP 2 Continue making Overhand Knots with each consecutive
strand.