Oh, this is just so satisfying; a mystery I’ve been reading about for years — I’d personally come down on the side of extremely advanced Roman adult implement — <i>solved</i>. I’m sure there’s some academics and some alien enthusiasts that will dispute this for, likely, decades, but once I saw the progressive shrinking of diameter they had me convinced.<p>And, on this day, I <i>needed</i> a win, cheers!