Charubel's image for this degree is a man viewing himself in a looking-glass, and its interest is exactly its ordinariness turned emblem. A mirror is the only place a person ever sees their own face, and the seeing is mediated: reversed, framed, and posed, since no one meets a mirror without composing themselves slightly for it. The image therefore holds two acts in one frame, self-examination and self-presentation, and refuses to say which this man is doing.
Read against the sixth degree of Sagittarius the placement is pointed, because Sagittarius is the zodiac's least mirror-prone sign, aimed outward at horizons, truths and journeys, impatient of introspection as an indoor sport. The degree stops the archer at the glass and requires the outward gaze to turn around, and the requirement is sound: those who aim at far marks most need to know the hand that holds the bow, and conviction unexamined becomes the sign's notorious vice, certainty about everything except oneself. The reversal matters too: the face in the glass is left-right swapped, a standing reminder that self-knowledge through reflection is real knowledge slightly turned, needing others' testimony to true it. The shadow readings are the two captivities, vanity, the gaze that stays because it likes what it sees, and its mirror-twin, self-scrutiny that cannot stop, the examination that replaces the journey.
On a natal Sun, Mercury or Ascendant this degree tends to mark natures learning to include themselves in what they study, and its counsel is the glass's own etiquette: look honestly, correct what the look reveals, ask someone truthful to check the reversal, and then leave the mirror, because the face was made for facing things.