“This solid metal thing was in our bag of candy cane kisses. Is it part of the machinery?”
A: "This is a metal dummy version they intentionally place in randomly selected bags to test and validate their automated QC systems. Their metal detecting system must be faulty if they let this slip through, which means there may be other foreign objects out there in the same batch."
Yeah, that "special" finger !
. The balls are added to help in grinding the ore.