As you explore the new region of Inazuma, you will encounter Tanuki. Tanuki can direct you to treasures or serve as a mechanism. They can disguise themselves or point them out:
Piles of rocks
If Tanuki is on your path follow him. As soon as you get close to him he will disappear and reappear somewhere else. Walk up to him again. If Tanuki turns into a certain object or does not reappear when you approach him, explore the location to find the item.