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Duping Bug In Mimecraft Bedrock Edition also known as Pocket Edition. Mcpe has been known to alot of bug. Mojang has been trying their best to fix all bug but one bug still has been undiscorverd. That one bug has known as dupe. What is dupe, you say? Dupe mean you have one item, then you dupe it and get 100000 item. That is dupe. Only the pearson that is lazy to go out and get the stuff many time, they dupe to get unlimited item that they want.
Here is a picture of the duping method.
You stand on the iron block and press the button that connect eith the redstone. Once the button has been pressed, click the chest and look on the right and wait untill you see the repeater in the middle hit on the line by the piston, and then TAKE THE ITEM OUT AS SOON AS POSSIBLE. The piston will move the chest which will disconected the chest on your screen. At that moment, the game will think you take the item out but it will also think there is still item in the chest. After that, just click on the chest again and the dupe item will be in your inventory and the chest. This can also work with shulker box that have item in them. I have test this many time and it took quit a bit of work but when you get the hang of it, you are ready.