How to Dig Up Buried Treasure in Sonic Frontiers

In this guide, you will find out how to Dig Up buried treasure in Sonic Frontiers. Follow the steps below and you will get these underground treasure chests. 

You will need to use Sonic and have to do the side Loop as shown in the image below. 

There are Keys sometimes and gears sometimes. You just have to Loop them but they do not respawn. So when you see one, do it because you might lose the spot.