More to explore:
Another version and 'how to' for constructing a toothbrush rug.
How to make a toothbrush rug. Excellent instructions with pictures.
How to Make a Toothbrush or Naalbinding Rag Rug
My Toothbrush Rugs
Toothbrush Rugs - Complete Video Instructions (Part 1 - Beginners) | Rag Rug Cafe
Detailed rag rug instructions using an old toothbrush whittled into a needle for braiding/weaving
Instructions for Scallop Cast on @FitzBirch Crafts Crafts Crafts Crafts Crafts Crafts: Summer Rose Capelet
This is a rug to buy. I can't find instructions to make this yet.
DIY: Rag Rug Tutorial - made from sheets or fabric. Great instructions + video tutorials.
Instructions for making crochet/rag rugs
'Toothbrush' rag rug