The Manaz Rune probably looks like "white nationalist symbols" to them. Authority hates art, and anything remotely tribal.
“SECURITY CHECKED”: nostr:npub1ndketdm2qyv35nrhsxzks8kh7w7w6tll4rjp29hv0qjqkgfjsh6snmgk2v contraband given special treatment at the Canadian border…
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Or anything they don't understand. Which is most things. The bell curve for government employees is basically a peak at the start of the X axis then a straight line across.