You might want to look into mewing - tongue posture exercises in which you hold your tongue against the roof of your mouth. There's more to it than that, as the specific technique and position matter. There's a lot about it online and you can see people demonstrating on YouTube. Its advocates say it can reshape the face for the better.
You might want to look into mewing - tongue posture exercises in which you hold your tongue against the roof of your mouth. There's more to it than that, as the specific technique and position matter. There's a lot about it online and you can see people demonstrating on YouTube. Its advocates say it can reshape the face for the better.