i think you could make this with tunisian. when it gets the the split, you could keep working half the stitches until both halves are long enough and then start stitching across the entire piece again at the other end.
DIY Jewelry Making for Beginners: How to Attach Clasps Tutorials by Teahab Part One and Two. It covers: Using Box Clasps for thicker cord, Using Crimp Tube with Loop for thinner cords, Using Ribbon Ends for fabric and ribbon. Part Two How to Attach Clasps
CROCHET: Crochet for Beginners: The Ultimate Step by Step Guide with Illustrations and Pictures! You'll open up a whole new world for yourself when you learn how to crochet,no limit as to what can be made.