A 1959 Cadillac convertible was already the most outrageous car on American roads, with the largest tailfins ever fitted to a production automobile. This one has been dropped onto an air-bag suspension, given an interior its builder calls a man cave of wheels, and finished in paint deep enough to stop a crowd. Read on to find out what makes the 1959 Series 62 convertible so rare, why Cadillacs dominate the custom cruiser scene, and what a bagged Caddy gives up to look this good.