So what is going on in that little piggy brain when Bianca, our rumblestrutter, popcorns mid-rumblestrut? She launches into her exaggerated bottom-sway rumbling, continues that rumbling whilst doing a couple of little 'seizures' in the air, and resumes the bottom-sway the moment her feet touch the ground again, her rumbling completely uninterrupted by those air-hiccups. Perhaps the attempted overthrow of her sister is going well ...?