You’re pretty much spot on. It’s also why in the movies and books, the Ring Wraiths generally just look like black cloaks; not even dark shadowy figures in cloaks, literally just the black cloaks. But when Frodo puts on the ring when surrounded on Weathertop, he can clearly see their distinct faces and features, and they can immediately tell who has the ring.
You’re pretty much spot on. It’s also why in the movies and books, the Ring Wraiths generally just look like black cloaks; not even dark shadowy figures in cloaks, literally just the black cloaks. But when Frodo puts on the ring when surrounded on Weathertop, he can clearly see their distinct faces and features, and they can immediately tell who has the ring.