Warning: Spoilers from Episode 4 of Star Wars: The Mandalorian…
With each passing episode of Star Wars: The Mandalorian, we learn a bit more about the Mandalorian culture – including, in Episode 4, why Mandalorians never take off their helmets.
We know the basics about the Mandalorian “Way,” but in the latest chapter, we heard “Mando” explain things a little more clearly to Julia Jones’ Omera, who pointedly asked the bounty hunter about his helmet.
Source: IGN.com So The Mandalorian CAN Take Off His Helmet…But There's a Catch