Score the bottom and side edges of one of the side slabs. Using your sumi brush, lightly brush a line of slurry along the scoring on each edge. Gently set the side slab upright into the slot created by the first two slabs.
Position any leftover coil from attaching the first two slabs so that the coil goes up the side joint. If it isn't long enough, roll and position another length so that a coil runs the entire length of the seam between side slabs. Using the rounded end of your wooden tool and supporting the pot from the outside with one hand, lightly press and weld the coil to both side slabs. Do the same with the joints at the base and other side.
Repeat this step with the last side slab, making sure that you are scoring the interior surface.
