​Anyone Who Owns a Vacuum Needs This Simple $5 Tool

It's a little meta, but cleaning your cleaning tools is an important part of keeping your homemaking life humming. For example, imagine how your bathroom-cleaning momentum would come to a screeching halt if you discovered you were out of your favorite tub and tile cleaner. And you won't be so amped to handle the living room once you realize that your usually-trusty vacuum is struggling to suck, and the brush is being taken over by a swarm of hair. When it comes to the vacuum, this $5 tool--small...