Is your MOI cu+ mask a little loose? Well, we built that to fit average adult size. However, you might find your mask to be just a little tiny weeny loose.
Don't worry. Here's a trick to make an adjustable knot. Your MOI cu+ mask will still be ever comfortable on your ears.
Recommendations for adjustable knot on MOIcu+ mask:
- Make knot near to bottom of earloop

- Ensure knot sits near to the lower part of your outer ear
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