Most intimidating police uniforms
Amish people who refuse to abide by lesser punishments are excommunicated, though they can be un-excommunicated if they change their minds and agree to follow the court’s orders.
Amish congregations are nominally democratic, but in practice Friedman calls them dictatorship-like because everyone votes the way the bishop wants.
So the Vlach Rom – Romanian Gypsies – organize courts called kris which enforce their sentences with threat of banishment from the community.
Somali judges compete on the free market; those who give bad verdicts get a reputation that drives away future customers. Legal Systems Very Different From Ours, by anarcho-capitalist/legal scholar/medieval history buff David Friedman, successfully combines the author’s three special interests into a whirlwind tour of exotic law. Crime victims have little economic incentive to punish the perpetrator; if you burn my house down, jailing you won’t un-burn the house.
“Anarcho-capitalism” evokes a dystopian cyberpunk future. If you steal my gold, I have some interest in catching you and taking it back, but no more than I do in catching some other poor shmuck and taking his gold.
The exotic anarcho-capitalist part comes in as English civil society creates its own structures to work around these limitations.
Merchants, landowners, and other people with wealth banded together in mutual-protection-insurance-groups.