salt shaker , my grandma used about that much salt !
Well .. it is totaly hollow and the inside is pretty clean . From what i can reason , it was not meant to get hot or it would ruin the paint on it so its not a smoker of sorts . Dont think it was for rolling in the dirt .
Bed bug dispenser does make sence . I guessed it might be to roll out lime or chalk on grass for a sport of some kind . The grille is only about 2'' wide .
Or it could be used to put dirt on a clean floor