I have used the Xacto saws. They seem to dull very quickly. For instance after a half-dozen uses. I thought they should hold up better. I can see the points about the Dremel (which I have but almost never use....I use a hand drill and the fine saws). I haven't tried the scalpel approach. Seems counterintuitive to cut lead with a blade, but I suppose if the neck is not too thick it might not be too bad. I will give it a try.