I originally saw the 3M Noise Indicator NI-100 model in a Tool Monger review by Benjamen Johnson. Now, I know 3M is a solid company and they have some fantastic products. I myself won’t use anything but their adhesive transfer tape, for instance. But, the Noise Indicator seems a bit of an odd product to me; though I can just picture a certain, well known “on the job safety” organization licking their collective lips over it. I guess it’s meant for those who are either A) too dim irresponsible to wear ear plugs when the noise becomes unpleasant or B) maybe already borderline deaf?!? Read More