Hard lacrosse ball at very close range at 60 miles an hour. >> no stranger to the complexity of head injuries, they turned to former nfl football player shawn spring and wing pass for help in finding the right technology to make the hummingbird helmet compliant. >> we call this the crash cloud. it's a unique combination of air flow. what's unique about it, when you squeeze it, it medium impacts for those actions. it's soft. but if i put it in my hand, you see it tighten you. it's pretty exciting. this allows for us to have a wider range of impacts. >> taylor suffered two concussions. the first...