This is why I love the reverse flatlock stitch so much. Weaving ribbons adds surface design.

Pfaff Coverlock 3.0

PFAFF tartozék katalógus (angol) by Varrogepcentrum Kft. - Issuu

How to Create Surface Design With Stitches - WeAllSew

flatlock stitch Archives - over the edge

flatlock stitch Archives - over the edge

minerva crafts Susan Young Sewing

What Kind of Serger is Right for You? - Threads

coverstitch machine

Fabulous Flatlock and Pintuck Placemat - WeAllSew

Serger Flatlock with Ribbon

Anette Fisher - Sewing for Fashion Designers - 2015

What kind of sewing stitch can I use to minimize the seam and bump that you feel resulting from the two fabrics being joined? - Quora