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Review title: does the trick
Product review: This mirror works quite nicely for me. I'm not sure about attaching it to my actual glasses, though: I attached it to the visor on my Giro helmet, and added duct tape to secure it. True: it may look slightly nerdy but it's my safety that counts, not my image!It took a little practice to figure out how to adjust it. I finally learned that I should be able to see my left ear and a bit of my left shoulder. Then everything behind will be just where you want it.If I go for a ride without it, I feel naked! Even though I wear glasses, I've learned to find the mirror in the upper right corner of my left lens. I've gotten to where I can check out traffic behind me and make lane changes with confidence, as long as the traffic is light. It may, however, surprise motorists who don't realize you can see behind you without twisting your head around! As long as they are far behind me, I don't worry about them, however, except to signal were appropriate.
