Tarred and Feathered
Tarring and feathering has vague connotations of American revolutionaries standing up to Tory oppression or something. Well, here is what tarring and feathering is really like. John Meints, a German-American farmer, was subjected to this treatment during World War I for the heinous crime of not subscribing to a war bond drive.
That’s some patriotic American mob violence right there. Scary stuff. Good image for teaching.