I've had my eye on these two Reindeer pelts lying in the lounge for a couple of years now and was pleasantly suprised to hear that they were no longer welcome back in the house. As a dry fly material for small Caddis type flies its fantastic but I've never seen it applied to Pike flies although I did fish with it on smaller clousers when I was back in South Africa a couple of years ago.
Generally the fur is too short for long streamers but if your lucky the neck area of a reindeer can hold some extremely long strands. These clumps I cut have hair around 6" inches/150mm which are perfect for my pike flies.
I've tied a number of flies up recently using the Hollow fleye method. This one is a combination of Reindeer,Orange bucktail and several strands of fine pearl tinsel. I do have reservations to the longjevity these flies might have due to the super fine hair snapping while casting, but to be honest as long as they catch me a couple of fish then they'll have served their purpose and well worth the effort that was put into them.