Problem With Stem Blockage on High Grade Nording?

I bought a used Nording High Grade pipe from a friend some months ago for a very good price (long story, but I kind of got shafted on another pipe he was going to sell me when the guy who was repairing it decided to take it and run). Anyway, when I can get it to draw the way it's supposed to, it's a fantastic smoke, but once I load it, before I draw, the draw is absolutely horrible and requires a lot of stem removal, poking and prodding before I can get it to draw right. I held the stem up to the light the other day, and best I can tell, what happened is that the first few times I cleaned the pipe, some of the fluffy bits on the pipe cleaners got stuck to the inside of the stem and that is what's causing my draw issue. The only thing I have found to help is unrolling a paper clip and jamming it through the stem to push the fluffy bits out of the way, but they're still stuck in there. I had thought about taking a can of compressed air and seeing if that would dislodge the obstruction. Anyone know if this will hurt the stem? And if it will, anyone got any other ideas as to how I can get the blockage out?

Thanks to all for the suggestions. The bowl draw is the same empty as it is full so I'm assuming that it is a stem issue. I should just bite the bullet and send it off to the repair guy and have him open it up. I can live a week or two without it seeing as how it rarely gets used anyway. I would really hate to think that the draft needs to be opened because I had been led to believe that this was a really high grade pipe. Looks beautiful and maybe it was worth a lot of money at one point in time, or maybe it was one of Nordings lower grade offerings. In any case, I only paid $40 for it and I really love the shape, so it might be worth the extra $20 or whatever it would take to get it opened. Thanks for all that contributed, much appreciated.