Widget is getting fed up having to stop their arguments, dodging their snakey tongues as they bicker. Sometimes he just sits on their tongues to stop them. One of the main topics of argument is hair. Thelia has it and Thwowence doesn't. Thelia flicks it around whenever she can, and this annoys her sister, and everyone else. Thwowence's only come back is that she has a fancier pattern on her skin.
They are hissing at each other in the shop >>>> HERE