What can a disembodied hand from a Netflix show teach you about non-verbal communication that no textbook ever could?

Thing is a disembodied hand. No face, no voice, no body language in any conventional sense — just a hand, moving through the world of the show. And yet Thing is one of the most expressive, emotionally compelling characters in the series. Without a face, without a voice, Thing communicates — clearly, specifically, and memorably — through movement, gesture, and timing alone.
Which makes Thing one of the most instructive teachers of non-verbal communication I’ve come across in recent pop culture.