“No Religion. No Politics. No Phones during service,” reads the sign that bluntly greets customers at Vinny’s Barber Shop in Los Angeles. The first two rules were passed down to owner Omar Romero by a mentor aiming to avoid unnecessary squabbles in his shop.

“Rule No. 7: ‘Don’t climb in the chair filthy with a beard full of mustard and chili’.

The Wall Street Journal. An excerpt from the original article