Hold your hair between your fingers like the barber does, cut (with scissors or electric trimmer) on the side away from your scalp. Repeat all over the back of

Hold your hair between your fingers like the barber does, cut (with scissors or electric trimmer) on the side away from your scalp. Repeat all over the back of your head until there are no long bits left. The secret to cutting your own hair is learning to quit while you're behind.