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Bowen Knot - Wikipedia
It is an ancient symbol used by several cultures, and remains in common use today. It belongs to a class of symbols which are called valknute in Norway.[4]
en.wikipedia.org • Looped Square - Wikipedia
This Just In: Chopstick Sleeves as Emissaries of Japanese Typography and Culture
Angie Wangletterformarchive.org
an ouroboros, the snake with its tail in its mouth. It was the de Clermont family symbol, as well as a representation of the tenth knot of creation and destruction that so few weavers had the power to tie.