Pose-based smile expressions for G9. As I understand things, the advantage with pose-based expressions is that they add no morphs to further burden your system. Their disadvantage is that you need to use something like Puppetteer (somewhat elegant) or select when applying poses (less elegant) if you want to combine more than one pose (expression). While the business would work in theory, I suspect it would be quite difficult to obtain predictable results with pose-based expressions.