In Watchmen, Looking Glass's mask reflects the pod symmetrically, giving the impression of Rorschach. This implies the moral ambiguity of the techniques used, which was the design of the character Rorschach. :
Watchmen' Tim Blake Nelson Interview - Looking Glass, Mask
a Looking Glass Halloween costume is...a challenge 😅 : r/Watchmen
Ingredient number one for my Looking Glass mask is in. : r/Watchmen
How HBO's Watchmen made Looking Glass' impossible mask - Polygon
Into the Looking Glass mask with Marz - befores & afters
Looking Glass Isn't In The 'Watchmen' Comics But His Mask Has Canonical Origins
How the Hell Does 'Watchmen' Shoot Looking Glass' Mask?