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Review title: completely useless
Product review: This sounded too good to be true and it was. It doesn't work at all.It doesn't detect the quick (or absence of quick). For one nail out of 20 (2 dogs, all with longish nails) it indicated it was safe to cut, and then the blades were so dull that the nail tip didn't come off and I had to use scissors to finish the job.
