I did not know this is called crumb. I have collected lots of these little crumbs from making many mistakes cutting while learning how to quilt (and still now). I could not toss them away either. I kept two crumb baskets, one I kept next to my sewing machine and I would randomly grab two pieces and saw them together to start any chain sewing and the end of chain sewing. This way I am not cutting off a long strain of thread from the end of sewing and do not have to worry about losing the top or bottom thread.. The other basket I took with me when I needed a no time commitment project that kept my hands busy. I would just hand piercing pieces together whether I am watching TV with family, waiting for something, lately is presiding over my daughter's kinder zoom classes. I have put a few of them together and trim them into rectangle shapes, thinking if I make enough of them maybe I can make a lap quilt or something. I don't usually put too much thought into them, but I like the same color crumb blocks idea, might have to look into that... more baskets!