Metal band King 810, whose members are licensed to carry, recently cancelled a show at a Detroit venue because they were denied this right even though Michigan is an open carry state. Much the same way that music artists boycotted North Carolina because they enacted a law that wouldn`t let grown men use the same bathrooms as little girls, this is the kind of pressure that is needed to confront businesses and places that deny the real constitutional rights of citizens. You can read their statement here