The diagram shows a horizontal horseshoe section at the very bottom of the nape. You cut this first. The diagram notes: "Cut to the desired length, keeping scissors parallel to the floor."
In the world of hairdressing, few techniques are as fundamental—or as misunderstood—as the One Length Haircut . Also known as a blunt cut or a 0-degree elevation cut , this style is the foundation of precision haircutting. Contrary to popular belief, a one-length cut is not simply "straight across the bottom." When executed correctly, it creates a solid, weighty line that follows the contour of the body.
The diagram divides the head into vertical subsections (usually 1-inch thick). Arrows show you to release a new slice of hair from the top, comb it down over the previous cut (which acts as your guide), and cut directly on top of the guide.