(Kinda easy) Quiz~!~10 Pts ~ What Is The Name Of This Device?

[Javier.Aguilar.Godoy]

It Helps Posture The Lower Jaw.

It Is Not Braces.

What Is It?

Hurry Up! First Answer Wins!

If No Ones Guesses I Will Put The Answer In 10 Minutes.

You WILL Be Surprised