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Thank you so much for posting this information. You are a Lifesaver!
WunderMaus 2 years ago
Good videos. I think it is useful to point out that this works because the motions done in the tube replicate the exact motions that are needed inside the ear. You're doing visibly outside what you're doing inside in the ear canal. It's not magic. It's logic.
bevgsmith 2 years ago 5