Minecraft PE Duplication Glitch

Land, Minecraft PE, the item you want to duplicate, a chest, and YOU.

Put your item in your chest.

Quit to title. Go back on your world.

Go 50- 100 blocks away from your chest.

Go to your home screen. Double tap and hold down the app Minecraft. Tap the minus button. For iOS 7, double tap and slide Minecraft up.

Go back on to Minecraft and your world. Then walk back to your chest, open it up and your done!