Seattle company creates concussion detecting system

"We're here to make sure that kids can play hard but we can also make decisions that they play safer and that they don't, inadvertently, through excess zeal and love of the game, end up with lasting medical problems," says Mack.

The company is hoping to start selling the X-guards and X-patches to the public later this year but Mack says the first sales will likely be invitation only because they already have a back-log of orders from schools and leagues all across the country.