Here's a hint: They're used to create a two stitch cord:
Of course, you're supposed to use only one end of the yarn, but I was eager to test both of them without wasting too much yarn. That's some of my Easter egg handspun.
I'm a cheap knitter: I don't buy patterns and I knit with whatever cheap materials I can find. While my projects are not as pretty as they could be, I enjoy my hobby and get to wear my creations. People actually wear my gifts. What else could I hope for?