Hi fellas, I didn't have a choice but to walk around in some dress shoes with medallions today. Unfortunately it was snowing hard last night, and the weather was nasty in the morning. I tried to avoid stepping in the salt that wrecks shoes, but my foot sunk into the snow a few times. I let my shoes dry out after getting home. They look fine, but there's a build-up of this whitish gunk in the medallions towards the tip of my shoes. They're not unmelted snow... seems more like some sort of dirt residue that gets left behind. Does anybody have any recommendations on the best way to clean these medallions out? It really affects the look of the shoe. Thanks in advance for any thoughts!