A brow tool comprises a first extending arm. The first extending arm has a first gear at a base portion. A first straight edge is defined on an inside portion of the first extending arm. The first straight edge is offset in a latitudinal direction in the amount of one half of a gap distance, to provide a latitudinal offset. A second extending arm has a second gear at a base portion. A second straight edge is defined on an inside portion of the second extending arm. The second straight edge is offset in a latitudinal direction to provide a latitudinal offset in the amount of one half of a gap distance. A housing connects the first gear to the second gear so that the first gear is in meshed configuration with the second gear.