The mermaid perched on top is hard to miss. A vintage Jantzen Diving Girl, she’s dressed in a bikini top and a light pink swim cap. Her finned mermaid tail — a sparkly blue and emerald green — shimmers in the right light and her arms are outstretched, as if preparing to take a deep dive off the 1962 Airstream trailer sitting below. Meet Winenona, the official mascot for Wine on Wheels, a .