Does anyone know what this symbol is or comes from? Minneapolis shooting

[underpants]

I searched everywhere and every way I could think of.
I unfortunately watched a video on X of all the graffiti they had on their guns and ammo magazines. It was very prevalent.

[sop]

1. Looks like a Celtic Shield Knot or a Norse/Viking Shield Knot

https://celticstudio.shop/blogs/article/celtic-shield-knot

[underpants]

3. Thanks. I probably should have known that.

I looked but couldn’t find a match.

I thought it might be some neo-Nazi take on a swastika.

[Ursus Rex]

2. Some or another neo-pagan symbol

… these people take and choose freely from a grab bag of supposed mystical charms and symbols from across Europe and even Asia, mostly appropriated to show whiteness and nobility of their cause. Or something.