I can tell you what I’ve done: * chewing hard gum, falim/mastic, for jaw muscle development * exerting pressure on the back of my hard palate with the tip of

I can tell you what I’ve done: * chewing hard gum, falim/mastic, for jaw muscle development * exerting pressure on the back of my hard palate with the tip of my tongue * focusing on adjusting my breathing and swallowing patterns to press on the palate rather than elsewhere