? Tree stump

? Tree Stumps are helpful items in Knock on Wood. By ground slaming on them, they will give you a hint or tip.

Background
It is said that trees can transport memories and instincts to their descendants after they die.

Usage
The stumps have a red question mark painted on the top of them, and will be activated when Woodrow ground slams on top of them. A speech bubble will come up, givin g you the hint of tip.