As hairdressers know, correctly sharpened shears can make all the difference when doing a haircut, and that is exactly why John Kuipers, owner of Wicked Sharp Shears, values the work he does and offers training programs to others who want to learn the craft—correctly.

Most experienced stylists already know that there are very few sharpeners who can deliver consistently high quality sharpening work. Many have learned this the hard way, through botched, damaged or destroyed shears. But it’s also because of that, that there is a demand for skilled sharpeners who can deliver quality results—which is…