best invention since sliced bread
Reviewed by horsestuff from Pennsylvania on Tuesday, February 11, 2014
I have bought literally hundreds of these to give out to friends, family, neighbors. I just bought 20 more to take down to our local senior center. They are wonderful - simple to use and in my experience, 100% effective, If you wait for the 40-45% off email, you can get them for under $10.
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