Hair clipper teardown: comparing changes in design after 50 years

For beard trimmers eventually the blades dull, and the motion gets variable enough that you start to get patchy results. If something plastic doesn’t break. I just replaced mine with a small pair of wahl professional grade trimmers. They do a world’s better job on my face. And are both smaller and more durable seeming. Was sick of buying a new trimmer every year.

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