We saw ICE disarm and shoot a citizen who had a gun. A lesson from this is that a weapon is only threatening if we create an environment where it's a credible threat, like outnumbering them with armed citizens.

Masks? I could go either way on this. Masks can be protective, and can also be seen as alienating from the community. That alienation is not some unchangeable truth, it's just a result of how they're perceived in our cultures (often associated with crime). For a counterexample, look at the Zapatistas who regularly wore masks to protect them from cartel and state violence:

[photos; click to show]