Hare mask, DHM 6 is very good fly tying material for tying flies. We recommend it for tying of body of nymphs and larvae. This fly tying material can be used with a rake for the combing of this material. Then the fly seems very reliable/tasty/ for the fish. This fly tying material can be combined with other fly tying materials without any problems. 
The fly tying material includes the sparking fibers.