Really need to learn how to knit/sew! Mug warmers - No link, but I like the idea. Just knit a rectangle, stitch together a side with a hole, then embroider on a piece of felt and sew on the warmer with a piece of yarn.
A couple summers ago, we stocked up on brass washers to make friendship necklaces. A year later, hex nuts became short in supply thanks to the hex nut bracelet. Today we're all about compression sleeves, which are conventionally used in plumbing but also