Ever start to walk into a store and see a sign saying it was a “weapons free zone” or the equivalent thereof? I have. And I have gone through the effort to get people to write/protest and get the sign taken down. It’s a lot of work. Here’s another way to perhaps change things. It’s a “business card” you leave with the merchant instead of leaving them your money:
Only $10/100. I just ordered some. I wish I had them with me now. I am going to the Seattle area tonight and would drop one off at Half-Priced Books in Bellevue.