Three layers meat green glaze basin

It looks like a basin with 3 swimming rings Will planting tubers make the tubers girth look bigger? Unglazed pots are the best environment for plant roots to grow Glazing in the basin only needs to soak the glaze in the whole basin. It's more troublesome to do isolation without glazing. Can you understand my hard work? Dimensions are approximate, in mm 115 at the widest point high 85 Caliber 83 Basin depth 68