a nose- and ear-hair trimmer, a detail trimmer, a spinning facial brush, a dedicated hair clipper, a callus buffer, and even (cue the mildly disgusted look on the face of everyone I told about ...
Both ends are small enough for precise application on your nose and both are angled. Just like with contour, you'll want an angled brush for your blush to precisely cover your cheekbones and/or ...