Keep your thoughts your own! This microfiber nanomaterial shields your thoughts from being read or controlled by those pesky space aliens and government agencies. Simply wrap a piece around your head for complete protection. Fashionable! Enough to make at least 20 hats. Reusable. Recyclable. May also be placed in the groin area to protect your special components from proton disruption arrays. Not available in N. Korea. Works just as well whether you like Trump, or hate him.