A lot of nazis don't want to or legally can't go completely mask-off, but still need the most obvious dogwhistle possible. This is why you'll see German nazis today using the legal Reichsflagge instead of the illegal swastika flag, and that's why a Ukrainian nazi who gets told "pls don't call your unit Panzerdivision Dirlewanger, it's bad press, it's too on the nose" walks it back until he arrives at Freikorps. It still has an aesthetic relatable to Wehraboos, but you can go "noooo, did you know there were Freikorps working with social democrats?"