Brand couldn't answer at the moment.  Getting the squirrel-girl down took a bit of effort since she was so agile.  Despite her flailing and kicking, he managed to get his mouth over her head and shoulders.  From there it was easier, though he had to again widen his jaw a bit to accomidate her breasts.  As she slid into his mouth her clothing disintigrated as soon as his saliva touched it.