SignalMask is free to use! To get started, create your first card..

After you've created your first card, you'll be able to generate as many arm band cards as needed as well as a coach's sheet. You can have 150 signals on a single card.

SignalMask is built to use and fit OwnTheZone arm bands. As of right now, the cards fit OwnTheZone small, single-pane bands. They can be purchased here.