I have a Romero Creations Tiny Tenor and I'd like a more substantial case than the basically padded gig bag it comes with. I also have a tenor-sized Uke Crazy case but the Tiny Tenor doesn't fit well due to the double bout shaped interior of the case. Has anyone ever modified one of these cases? Whats is underneath the black fabric? Or is there a better case that the Tiny Tenor fits in? It doesn't need to be a full-on hard case, but something a bit sturdier than a gig bag.