| http://www.w3.org/ns/prov#value | - Reply Bill says: February 24, 2010 at 1:27 pm The only one I have ever used is called the Bike Peddler Take a Look Mirror. (My endorsement is based on nothing other than the fact that I have used one.) There may be a bit of a dork factor involved, but a lot of roadies around here use these things and it has saved my bacon more than once.
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