I cords are so useful.
I recently made some for a Mdvanii sheath and came up with a method to make them a little softer and slinkier and more suitable for a 1:6 strap.
Cast on 2 stitches.
Slip first stitch, knit second stitch.
Slip first stitch purlwise, purl second stitch.
Repeat ad nauseum.
(Originally posted at Petit Tricotage.)