With the current extreme heat warning, Detroiters are in need of ways to keep cool while they are out and about. If there is one thing about a Detroit summer, it is that it can get HOT. And while we're lucky to have beautiful parks, splash pads, and pools across the city, I can't help but think about one idea from Detroit's past that deserves another look: Swimmobiles. If you are a Detroit native, you know what I am talking about.