You should only step aside and watch them work silently. This trick has only one way in. Daniil Charms is requested to spit fire only once a day and only under certain circumstances. Just like any other. A hard learned set of rules for them, and they have to stick to it if they want to be respected. In fact, the situation gets worse each time one of them wants to enter or leave their room, because it has no door and no window.