With a specially designed angled blade the high definition pro shaper is the ultimate tool to sharpen the high definition pro pencil creating the finest finish possible this precise application is perfect for all brow perfectionists how to use use the pro shaper to sharpen the pro pencil for best results sharpening pull the string of the pro pencil down half a centimetre causing a split in the paper unwrap this paper casing removing the excess paper then rest the lead gently