Craft
A good cut starts with looking properly: at how your hair grows, what you do with it day to day, and what you want to walk out with. Then it comes down to clean work, an even blend, a sharp line, a beard shaped to the face, and the patience to get the small things right.
That is what quality modern barbering means here, and it is the standard for every appointment, whether it is a shape-up between cuts or a full retwist.