I don’t crochet, but I have a thing for teeny tiny crochet hooks, the one that are about the size of a pencil lead. These two I found at a thrift store (50¢), my favorite place for all kinds of craft supplies, don’t ask what else I bought that day. One had a 10 on it the other a 07. I’m not sure what they are for, thread crochet, maybe? I find them at estate sales too. I use these tiny hooks for two things mostly, and I would recommend having a stash of them, they go missing because, well, they are really tiny, and they break. I use them for cleaning tools, my hand cards, ...