Part your hair the right way.
Part your hair at the outer edge of each eyebrow and comb the hair that's below the part down on both sides. "You're sectioning it off so you're not cutting the hair on top too short," she says. This should be a familiar technique: Hairstylists do it at the beginning of every cut, right after they wash your hair. The tricky steps are coming up next. Pour a glass of Scotch to prevent shaky hands.