I remember my old track coach using this during practices.
We would swish the water around in our mouths to get rid of that bad taste you get when you’re thirsty, but he always warned us that the second we swallowed too much that practice was over because you get a stomach ache if you sprinted with all that water sloshing around.
We would swish the water around in our mouths to get rid of that bad taste you get when you’re thirsty, but he always warned us that the second we swallowed too much that practice was over because you get a stomach ache if you sprinted with all that water sloshing around.