They absolutely have real and useful applications. Just saw an ad show up a few times in short succession and felt compelled to make something of it. The commercial mostly just showed pro athletes rather than people needing them for various medical reasons.
from what I understand (could be wrong) these were created for people who are suffering from oxygen deprivation in high altitude.
They absolutely have real and useful applications. Just saw an ad show up a few times in short succession and felt compelled to make something of it. The commercial mostly just showed pro athletes rather than people needing them for various medical reasons.