In “Rootling Hollows” there is a lever besides a treasure chest and the chest is in the way so…
How to Solve the Puzzle
Small Hint: There is no need to drop down. The chest will move if a certain condition is met. Look in cheeseburg for a note.
Big Hint: You need to feed the chest something specific. The note can be acquired below a mining rock in cheeseburg.
Solution: Put raw meat into the chest and activate it again. It will turn into a mimic and you can kill it to access the lever and the secret.