It's formulations are intended for firing in kilns, to be a finished durable weatherproof ceramic. Ready made high or low fire varieties of P'Clay and P'Slip from licensed manufacturers are available. Coil, pinch, slab, and etc. as normal. Convert your favorite high or low fire clay to a paper clay, so the glazes normally stay compatible. After it's over, the finished exterior appearance of P'Slip and P'Clay can be the same as if it was a normal clay, but the weight may be noticeably less.
Paper clays shrink almost the same as the parent clay.
Let works in progress dry out in the open air, or even force dry them in in a kiln or direct sun. Continue working wet on dry on wet on dry indefinitely until you want to fire. Carve and more. The more paper pulp you have in the recipe, the more you can push this limit. Nothing sticks to bisque paper clay like liquid P'Slip.