The Signalfan Brightly Colored Signaling Device Signs are seen with just a glance Noisy, rowdy, games do not affect the effectiveness of The Signalfan Add shaped stickers to one side and make 6 paddles look like 12 different paddles If you have multiple coaches for your team each coach can give a sign and there will be no miscommunication. The "style" of giving signs is eliminated As of 2015 The Signalfan is being used in 6 countries