Many magical items adventurers seek out help them carry more loot, keep themselves fed and healthy, or just simply hack the bad guys to itty bitty bits. This one lets their loot carry itself.
A man has been committed to an asylum for schizophrenia. The doctors are convinced that he is suffering from delusions and hallucinations. The reality: His soul has been split among three bodies, each in a different dimension, and he occasionally feels and sees what his other "selves" do.