Here is a really nice idea. It will not reverse the election, or stop fascism, or turn haters into decent people. But it is cheap, public, good-hearted, and coherent with all sorts of other social action strategy. A flag pin with a real point.
This file prints on Avery 8371 and several others for cards, or use plain paper and snip it up, to make something to just give people who ask about your safety pin.