2. Understand levers and guards All professional-grade barber clippers come with a lever, which allows the barber to “open" or "close” the clipper’s teeth. An opened lever will cut hair ...

I’m asking this because we’ve just reviewed Panasonic’s new MultiShape, a modular personal-care system that can brush your teeth, cut your hair, shave your face, trim your nose and ear hair ...

They’re essentially flat surfaces with gear teeth cut into them allowing the two halves of the coupling to nest together and lock firmly in a variety of relative radial positions. They’re ...