Ah, I didn't realize that the ferrule was so soft. My little razor knife easily cut the ferrule off a pencil here at my desk. If the Blackwing ferrule is similarly soft, I'll have no trouble removing it when the time comes.
If I wanted to transplant the ferrule to another pencil, is there a way to remove it without damaging it irreversibly?
That is excellent news! I never use the attached eraser, but my kids do, and they really like the Blackwing eraser. If I can transplant the Blackwing erasers onto their pencils, then they would love it.