Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
Ban on helmet covers sparks controversy
Guardian Caps a fit for Park Wolfpack - Cottage Grove Journal
NFL on FOX - Guardian caps have significantly helped with the players health and safety during training camp this season. 🙏
Guardian cap' to prevent head injuries mandated for practices, CFL says
NFL players wear Guardian Caps to reduce head trauma during training camp
Could Guardian Caps be used in games? : r/nfl
Players, coaches react to mandatory use of Guardian Caps
What's with padded helmet caps teams are wearing