“ The size and number of knots in hair, tied around neck, or hanging from belt could signify family, importance, worship, guild affiliations. Being able to translate the meaning of the size and placement of knots can give you a a large understanding of who somebody is.
May be used in a more barbaric society. Where in cities peoples clothes and crests show who they are, barbarians have no need for this so use knots.”
“ A noble claims that a stranger did not enter the town by any normal means, but trough his mirror. The man in question is ravening mad and mutters on about vast halls connecting all the mirrors in the world.”