Two oval banettons prepared with rice flour. This may be optimistic. Based on the size of that dough ball, if it doesn't de-gas somewhat when separating/shaping I'm going to have to snag a circular one in short order (I only have two oval ones).
https://cdn.fosstodon.org/media_attachments/files/113/645/472/807/280/594/original/5c3214b94b818882.jpg