Earlier this year, Monster City Studios, a company that normally makes amusement park and movie props, pivoted to manufacturing MCS face shields with forehead protection. It was one of many small companies to make the switch.

A worker wearing protective gloves attaches an elastic strap to a silicone face mask at Mask & Shield, a division of Monster City Studios, in Fresno, California, U.S., on Wednesday, May 27, 2020. Monster City Studios, a company that normally makes amusement park and movie props, has pivoted to manufacturing MCS face shields with forehead protection. Photographer: David Paul Morris/Bloomberg via Getty Images