Ok so you know how to make yarn out of an old -shirt.https://www.instructables.com/id/How-to-turn-an-old-t-shirt-into-yarn/
Now what are you going to make? How about a basket to put your yarn in?
Step 1: Materials
You will need your ball of yarn I used two different colors the amount will vary depending on the size of the t-shirts you used.
size N or 10.00mm crochet hook