Dear HRM, I walk to work. It's a ways, maybe 40 minutes, but I like it. In this climate, though, our most typical weather scenario isn't deep snow (thanks, parking ban) but temperatures just around the freezing mark. Which means a thin layer of ice. On everything. I don't care if it's salt or kitty litter or what, but could you guys put something down so that those of us trying to save carbon emissions don't wind up in traction? —My boot treads are only an inch high