Fee
Material
You have a rice ladle that's specifically for paying the rice fee. Each scoop of something has an extra fee tacked on, so when you use a material, there's a fee you have to pay in that material as well.
りょう
None
None
One day, the fee ladle is suddenly the size of row (りょう) boat oars! What! You're supposed to pay a row boat sized fee now?!