3mm Metallic Grey Silver Round Leather Cord   by SBBeadsAndCrafts

3mm Metallic Grey Silver Round Leather Cord by SBBeadsAndCrafts

$2
shop on etsy.com

Maybe you can find it on etsy or buy the cord at a craft store. It looks like its made putting 3 cords together in 3 strands (9 total) and braiding them.

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