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Review title: I love having this mirror when I ride!
Product review: Great for keeping an eye on the traffic behind you. My husband and I both got one. We mounted to our helmets. Clipped them to our visor and secured with small zip ties. When I rode on real bumpy roads (we live in the country), the mirror seemed to bounce up and down on its arm, making it hard to see, but we drilled a tiny hole farther up on the visor and secured with another small zip tie. Now it works great. Didn't want it attached to my glasses because by bifocals made it hard to focus. Takes a little getting used to, but now I would be lost without it. No more cranking my head around all the time, or previously, I had a mirror that attached to the end of the handlebar, and I always struggled to see behind me, having to move handlebars, etc. I would defintely buy again.
