Jinchuriki Release

Given to you when you awaken its nature: hold it to cast that nature's jutsu. It's bound to you: it can't be thrown away, doesn't drop when you die, and only you can pick it up or use it. If it's really lost (burnt, in the void, despawned, or lost on death) it comes back the next time you join or respawn: into your inventory, or on the ground at your feet if it's full, where only you can pick it up. One you put away in a chest yourself stays there.