tristanbo

A suggestion regarding the straps : I use 2 looped straps instead of 4 separate straps - smooth usability - you only need to knot once at the back of...

Another suggestion: I place the wire at the last moment, by making a very small opening straight in the fabric (at a small distance from an ending. Removing and replacing...

Another suggestion regarding breathability you all know the situation: • when the mask has a lot of "loose space at the front, it's more breathable at first, but soon after...