New Concept Mask Strap Extender/Ear Saver
thingiverse
I invented this new concept mask strap extender while working on a COVID-19 unit. It converts the ear straps of FFP-2 and other masks to head straps. Especially for longer use or for spectacle wearers this means a gain in comfort. Just cut the mask straps in the middle, insert it like seen on the pictures and adjust the length. https://youtu.be/iA8hZ_hAh4o Update v2 04/2021: Reduced distance between the teeth for a better grip, even for thinner mask straps
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