Mouth widening questions

[hayesp]

I’ve seen a couple things recently about widening your mouth with a toothbrush. There’s one or two threads I found on here, and a video of bojack showing his progress. Apparently you can widen your mouth with a toothbrush by creating small tears at the corners (possibly only works with electric?). I can’t find much information about how to actually perform this, so if anyone knows any tips, please let me know.

 

[Mess]

I'll save you the time of looking for random copes. Nothing works beside a commissuroplasty or MSE.