This project is shown using old towels...but imagine it with t shirt strips.
hula hoop rug tutorial
Braided Rag Rug Tutorial. Made from old t-shirts.
DIY: crochet rug from yarn & old t-shirts. The website appears to be in Russian. . .but the pictures are pretty clear if you know how to crochet!
yet another style of rug to make with tshirt yarn
Crochet in Color: Ombre Basket Pattern
crochet old sheets into rugs
How to Make a Rug With T-shirt Yarn - Tutorial ❥ 4U // hf