face mask nose clip v1

thingiverse

This clip has been designed to facilitate the adjustment of the face mask and prevent air leaks. To work properly, the face mask needs to be taut. For this purpose, I use an adjustable hook for tens the face mask belts to the nape. Since the indoor spaces are much more dangerous, in these I use two masks. As can be seen in the images, first I use an FFP2 or N95 and on top of this, an disposable face mask. Unfortunately I have not been able to get it to work properly with just one face mask. A good way to check for air leaks is to put on glasses and see if they mist up when you breathe. The face masks have to fit well around their perimeter and it has to be difficult to breathe.