1. If I don't have space in my inventory, will the keys go to the postmaster? If so, can I use Destiny Item Manager to transfer the ethereal keys from the postmaster to my inventory? 2. Is it possible to transfer ethereal keys to and from my vault? The reason I ask these questions is so that I can open more than 5 chests at once and maximize my chance of getting One Thousand Voices. Is this possible?