Buckaroo Knot  / Wild Rag Knot / Japanese Crown Knot

This is a way of tying  to make four squares in the knot. Historically in USA, it is called Wild Rag Knot or Buckaroo Knot as one of the cowboy's scarf knots. In Japan, it has long been known as a way of tying a Kimono-Coat string, Kanou-Musubi, lucky charm.