A Curious Track, or What Bikes Are Hiding From Us

Referenced sources: George Hart for The Simons Foundation, Bicycle Tracks - Which Way Did the Bicycle Go? David Finn, Can a bicycle create a unicycle track. Stan Wagon, Notes on the Unicycle Puzzle. Mark Levi and Serge Tabachnikov, On bicycle tire tracks geometry, hatchet planimeter, Menzin’s conjecture, and oscillation of unicycle tracks Please let me know about the mistakes I’ve probably made!