You can get pretty smooth bricks which would be fine. Could also rub a couple of bricks together to smooth the surface. Then it's just like sharpening on the rim of a cup, both are ceramic.
Maybe dig some clay in my garden and fire that in the BBQ, make my own ceramic sharpening blocks for free.
Yeah its a little concerning seeing polls that show how popular they are. I hope its some kind of inaccurate/misleading polling but I really don't know. All I do know is my friends are clearly no way representative of the country or even the area I live in - almost all voted green.
I just pour the entire jar. I use honey to make mead