Researchers Rank Various Mask Protection, Modifications ...
Dec 11, 2020·Medical procedure mask and modifications designed to enhance mask fit or comfort for the wearer. A mask w/ear loops (A) modified by tying the ear loops and tucking in the side pleats (B), attaching ear loops to a 3D-printed “ear guard” (C), fastening ear loops with a 23mm claw-type hair clip placed behind the wearer’s head (D), placing ring of three, ganged, rubber bands over the mask ...