Very nice work! I wouldn't scallop the hande, but would either do some wood burning, design, inlays, or light relief, carving, like a vine, or snake entwined around the handle. or various totems, like the owl on the scabbard, deer, or elk head, buffalo head, moosehead, (Dang, that reminds me I am out of Pabst!!) bear, hog, turkey, mountain lion, etc. You could have two snakes, crisscrossing, around the handle, and ending up with a head on each side, and a tail on each side, with the head or heads, at or near the hawk head, or at the butt of the handle. You could end up with the heads on edge of the handle, and facing ahead, rather than facing towards the edge of the hawk head., or just have a snake on each side, ending up, facing the hawk edge. Sorry, just got to thinking....... not what I am used to doing.
Again, nice work. Are you going to stain the handle?
Wayne