The Opti Hat or Visor is an add-on to the Muse headband. It is to be worn on top of the Muse to make the Muse less conspicuous when you are in action performing your trade. (This product does not come with a Muse headband. You must already own a Muse to properly use this product.  If you would like to purchase a Muse headband, please purchase an Opti Software Subscription with Muse.)