Magnetic nasal retractor test

Device that would increase the air inspired by pressure on the septum (the central part of the nose, roughly…).

In my opinion, it is not very effective. A simple test, awake, with, then without, shows little difference in the perception of inspired air.

Moreover, once in 2, I lost it in the night. So small that I actually lost a few permanently!

Conclusion

Personally I don’t recommend it.

Price found on the net: from 10 to 20 €

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