

That flap is used to fold the teeth in upper jaw. If you use this flap to fold the tonge you won't have any point to fold the teeth. That's why I used 3.5 head in my 2.1 ryuzin.insaneorigami wrote:Hmmm, then what did you do with the flap that is between the upper and lower jaws? I always used it as a tongue, but... ...hmmm...