3M™ Faceshield Holders connect a variety of 3M™ Faceshields to 3M™ Safety Helmets 3M™ Faceshield Holders connect a variety of 3M faceshields to the 3M™ Safety Helmets, with or without the use of helmet-mounted 3M hearing protection. 3M™ Faceshield Holders connect a variety of 3M faceshields to the 3M™ Safety Helmets, with or without the use of helmet-mounted 3M hearing protection.