A comb having an elongate spine, a plurality of tines extending from the spine, and a guide for use in association with a scissors or a clippers. The guide has a shelf that is tapered in three dimensions from a first end towards a second end and has a widest point closer to the second end than the first end. The guide extends along a portion of the length of the spine and extends from the surface which is generally transverse to the longitudinal axis of the spine such that the scissors or clippers may be supported on the shelf as the scissors or clippers are moved in a horizontal direction.