A Spirit-savvy mage can rouse the slumbering entities within material objects. As described in certain sections of

Unlike many material objects, an awakened item exists in both the material world and the spiritual realm. That awakened toaster could be taken into the Otherworlds, and that awakened knife could be used against ephemeral opponents. Objects with roused spirits inside them feel more real and aware than most material objects do, and may hold unusual amounts of Resonance… perhaps even a personality of sorts.