Couching with crochet chains?
Tutorials -- Inspiring photo tutorials for this and other freeform crochet. Exceptionally beautiful and full of good ideas.
Crochet Cord for Romanian Point Lace ~~ Novel Stitches Renate Kirkpatrick's Freeform Crochet~Knit~Fibre Designs
Crochet macrame rope This will be perfect for a bag I'm working on
clear drawings of crochet cord - plus other novel stitches