VIDEOS:
The Door
Brock attempts to place a large amount of wooden blocks in front of a closet doorway so that it cannot open and thus he can't be found. Little to his knowledge, the door opens outward, leading to Ledger easily entering and deducing that the single potato in the closet is Brock.
Example of:
Absurdly Ineffective Barricade
Example of:
Absurdly Ineffective Barricade