User blog comment:Kenetron/Hierus, the Priest of Navori/@comment-12904660-20140923121741/@comment-7709681-20140924155902

@ MonoKirisame: Rather be, to support you and clarify you, is not even that they don't stack, is that they are programmed to not be able to be in the same build together. There can be two support items in the same inventory.