
Any mask—even a surgical-style or cloth one—should fit snugly around your face. But since many masks gap at the sides, here’s a quick trick to make yours fit better.
Source: LifeHacker – Fix a Too-Loose Mask With Two Knots

Any mask—even a surgical-style or cloth one—should fit snugly around your face. But since many masks gap at the sides, here’s a quick trick to make yours fit better.
Source: LifeHacker – Fix a Too-Loose Mask With Two Knots