In case anyone's wondering, the meter of Kestrel's little poem here is one I'm convinced I invented back in high school: alternating iambic tetrameters and iambic trimeters organized into quatrains and using an interlocking rhyme scheme of a-b-a-c, b-c-b-a, c-a-c-b. I called it a "thorn" 'cause it's supposed to be short and sharp...