One complaint on Trapped Chests - why doesn't this work? : r/Minecraft
Trapped Chest – Minecraft Wiki
How to Make a Trapped Chest Pitfall Trap (Minecraft PE) - YouTube | Minecraft redstone creations, Minecraft, Minecraft designs
Unnoticeable trap with the new trapped chest[13w01b] - Redstone Creations - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
How to Make a Trapped Chest in Minecraft: Best Method