The old school barbers (and former BTC On Paper cover guys) that comprise the Schorem team in Rotterdam are easily among the top barbering pros in the world. They’re recognized as perfectionists and technical experts with the ability to marry the tried and true with cutting edge style. So we wondered—what do they think stylists absolutely need to know to raise their barbering games?

1. Razor courtesy
Clients might get a little nervous when you’re wielding a razor, so make sure you’re always visible. Rather than moving behind your clients as you shave, always position yourself in plain…