Eric Feigl-Ding auf Twitter: "TIGHTEN THE FIT of masks. Sloppy masks leak a lot—especially backwards & to the sides. This is why we need to either double mask, tighten the straps, or wear tighter fitting masks with good nose bridge seal. #COVID19#MaskUphttps://t.co/EeFfhh80Vt" / Twitter
there's a reason I still wear my #KN95 or #FFP2 masks
TIGHTEN THE FIT of masks. Sloppy masks leak a lot—especially backwards & to the sides. This is why we need to either double mask, tighten the straps, or wear tighter fitting masks with good nose bridge seal. #COVID19#MaskUppic.twitter.com/EeFfhh80Vt
