Comment by abandonliberty

This is an area for innovation. Managing change/altering beliefs are extremely difficult.

To help iron deficiency in Cambodians, they were encouraged to cook with iron ingots. No one used them.

So they shaped the ingot into a lotus flower. Dice.

Cultural investigation showed that fish were symbols of luck, health, and happiness. Fish-shaped ingots worked out!

https://en.wikipedia.org/wiki/Lucky_iron_fish