Images: Yellow card by Peter Miller, Cyclist photo by smilygrl , CC Where’s the Referee When You Need Him? This “Magnetic Yellow Card” by Peter Miller isn’t new, but apparently we missed it when it first came out in 2004 and now it’s resurfacing and making the rounds online. The general idea is that cyclists who witness or are almost the victims of reckless driving can stick these magnetic cards on the offending driver’s car as a reminder to to be … Read the full story on TreeHugger
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Magnetic Yellow Cards for Cyclists to Warn Dangerous Drivers