When rioting and looting are going on all around you, things can go sideways stupidly quick. One moment people are just walking by and the next, windows are being shattered and someone with a brick is chunking it at your head.
At a time like that, your life may well be in danger. If not from the Molotov-tossing Marxist then from the 2×4-wielding Antifa acolyte. You have to do something.
Well, the mayor of Chicago has some advice for you.