A Clingy MacGuffin is Applied Phlebotinum which cannot be separated from its "owner". No matter what he does, it will always come back to him,
Game and Story Use
- Players tend to hate those, usually for good reason. So if you make a player character get stuck with one of those, arrange things so that getting stuck with it can be traced back to a decision he has made - making it "the player character's own fault", instead of the fault of the game master.