Guardian Caps a fit for Park Wolfpack - Cottage Grove Journal
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
What's with padded helmet caps teams are wearing
Guardian Caps Debut During NFL Minicamps
Guardian Caps Guardian Sports
More teams practicing with Guardian Caps, Sports
Anything we can do to protect them: East Clarendon uses Guardian Caps to protect against concussions - The Sumter Item
Players, coaches react to mandatory use of Guardian Caps
Staples football pioneers use of 'Guardian Caps'
Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
Football Guardian Cap draws mixed reviews from players, experts for safety effectiveness - The Daily Tar Heel