Friendship knot

This is one of the eleven basic knots of traditional Chinese knotting,[1] a craft which began in the Tang and Song dynasty (960–1279 AD) in China.

The Chinese and Japanese names for this knot are based on the shape of the ideogram for the number ten, which is in the shape of a cross that appears on one face (and a square on the other face).

[2] The Ashley Book of Knots, first published in 1944, says: "A decorative Chinese Loop.

"[3] In recent years, it has become popular with members of the Scout and Guide movements for tying their neckerchieves instead of using a woggle.

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A two-coloured Scout neckerchief tied with a friendship knot.
A winged cross knot.