But if you do that, unless you fill it with epoxy and repaint the cowl, you'll have a gap at the bottom.
No, what could be fun, in addition to sculpting a Bruce Wayne head from the regular mouthpiece, would be to sculpt alternate mouthpieces in different styles! So much possibilities there!
Yeah, that's what I'm wanting to check out. See just how much modifying would be needed to do that.
Custom mouthpieces? Oh, yeah!