how to make a iron farm in Minecraft pocket edition

how to make a iron farm in Minecraft pocket edition so hello guys welcome to my channel in this video I give you a easy and simple iron farm tutorial this farm give you unlimited iron.i hope you like please subscribe comment . like aim 🎯 20 likes ITEM LIST---- 2 chest 1 hopper 3 sign 1 bucket lava and water 2 stack stone bricks 30 stone slabs 20 beds 20 fletcing table 20 villagers 1 torch 1 subscribe