THE NAME OF ADDITIONAL SAFETY. RYAN: AS YOU SEE VIDEO FROM STEELERS TRAINING CAMP THIS SUMMER, OR SEE PICTURES ON SOCIAL MEDIA, YOU’LL NOTICE THE PLAYERS WEARING BIG, PUFFY-LOOKING HELMETS. WHAT ARE THEY? THEY ARE GUARDIAN CAP HELMET COVERS. SOFT-SHELL PADS THAT ATTACH TO THE OUTSIDE OF THE HELMET. AND ACCORDING TO THEIR MANUFACTURER, THEY ARE AIMED AT REDUCING FORCE FROM HEAD CONTACT BY UP TO 20%, IF ALL PLAYERS INVOLVED IN THAT CONTACT ARE WEARING THE CAPS. THE NFL IS REQUIRING ALL OFFENSIVE LINEMAN, DEFENSIVE LINEMAN, TIGHT ENDS, AND LINEBACKERS TO WEAR THE CAPS IN EVERY PRESEASON PRACTICE BETWEEN NOW AND THE SECOND PRE-SEASON GAME. NFL TEAMS USED THEM HERE OR THERE IN THE PAST. BUT THIS IS THE FIRST TIME THE LEAGUE HAS REQUIRED THEM FOR CERTAIN POSITION GROUPS. MIKE TOMLIN AND THE STEELERS DIDN’T WAIT UNTIL TRAINING CAMP TO BREAK IN THEIR GUARDIAN CAPS. THEY USED THEM DURING MINI-CAMP, AND AS TOMLIN RECENTLY TOLD HIS PLAYERS IN A TEAM MEETING, HE FEELS MORALLY OBLIGATED TO HIS KEEP GROUP SAFE, ADDING, THAT