NFL to allow alternate helmets in 2022 and here's what the Raiders' could look like
Lions unveil alternate helmet – The Oakland Press
Ranking each of the NFL's new alternate helmets for 2022 - Sports Illustrated
After 9-year pause, alternate helmets returning to NFL in 2022
Photos: Detroit Lions reveal 2023 alternate helmet
NFL approves multiple helmet colors starting in 2022 - Footballscoop
NFL approves alternate helmets beginning in 2022
NFL will allow teams to use alternate helmets beginning next year
13 NFL teams introduce alternate helmet looks for 2022 season
NFL to allow alternate-color helmets for 2022; will Packers consider them for new throwbacks? - Acme Packing Company
Where to buy authentic NFL alternate helmets, released for 2022-23 season, before they sell out