It is designed to prevent the pain in your ears after using many hours of the already implanted surgical mask. The hooks are longer to perfectly fit your mask.
You can print in many materials such as PLA, PETG.
Available in two sizes.
It is designed to prevent ear pain after many hours of wearing the surgical mask. The hooks are long enough to fit the mask perfectly to the face. You can also print it in many FFF materials such as PLA, PETG.
This equipment is already available in two sizes.