The Milwaukee Recreation Department shared this photograph of some enterprising young men who figured out how to ride their bikes on ice -just replace to front wheel with a skate blade. What could possibly go wrong? The photo is uncaptioned, but appears to be from the 1930s. And here’s a snippet of film:

(YouTube link)

We don’t know for sure, but we imagine a good time was had by all ...but only until someone loses an eye! -Thanks, Brian Hoffer!