This ancient yoga technique involves sticking your tongue in your nose

Here's a yoga technique that sounds fake but isn't: roll your tongue backward, past the soft palate, and into your nasal cavity. Hold it there. That's Khechari mudra, and people have been doing it for centuries.
The name translates roughly to 'one who moves the sky,' which is more poetic than 'person with their tongue in their sinuses.' — Read the rest
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