The Fanjambo Face Helmet

Fanjambo is a protection racket where if someone says Fanjambo with an earshot or one of your goons and subscribers, you're going to have to investigate. There could be Fanjambo carriages on the train. The most high-tech version is a Fanjambo face helmet which looks exactly like your face,. And it basically the ear holes using in-out sphincter technology. Your ear holes only open up to allow in noise or words from people that how you have not Fanjambo.