Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings

Guardian Caps Guardian Sports

A football helmet prototype that reduces linear and rotational

The temperature inside football helmets during head impact: a five

PDF) Preliminary Examination of Guardian Cap Head Impact Data

Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN

Football Helmet Testing, Technology and Safety Research

Linear-acceleration responses for the helmets for impacts to the A

Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings

PDF) Efficacy of Guardian Cap Soft-Shell Padding on Head Impact Kinematics in American Football: Pilot Findings

Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings

NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic