Genius slipper design where you knit a short "scarf", fold and sew onto your bottom. Garter stitch extra chunky yarn about wide, and however many rows you need, then sew into the 2 layers of the felt bottom.
I think I want one! This fantastic ribbed mermaid blanket totally lives up in the winter! It's comfy & warm which is good for cold weather, the color is amazing so it's perfect to keep you in the easy afternoon!