Wordless tutorial III - single strand diamond knot

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Single Strand Diamond Knot
Stopper knot - great for cord ends

https://i.imgur.com/h04Utkf.jpg
https://i.imgur.com/TWtHc0o.jpg
https://i.imgur.com/O2SOpDh.jpg
https://i.imgur.com/drMh1Nu.jpg
https://i.imgur.com/pwVmz7Y.jpg
https://i.imgur.com/fFt7RNw.jpg
https://i.imgur.com/iMgi5j6.jpg
https://i.imgur.com/N3H1Qma.jpg

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Single strand diamond knot - doubled

https://i.imgur.com/IXgQsJw.jpg

how to double the diamond (https://www.instructables.com/id/Wordless-Tutorial-III-Single-Strand-Diamond-Knot/)