|credit: Osgood Co.|
Is there a rule behind these stress assignments? None if you ask me! And you needn't worry actually; conversation will not collapse if you use the 'wrong' pattern. The whole story contains, I must admit, a highly unusual accumulation of Christmas compounds.
Most of the compounds and all of the stress marks were supplied by John C. Wells. See John's 'old' blog where you can find the original story.