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Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? We’ve been working on this series for a few months now, but this time around, we ...

Newton’s first law—that a body at rest tends to stay at rest—is too often accurate for DIY projects. In fact, UFOs (“UnFinished Operations,” as they are called) are estimated to tally more than 30 ...