Note: The small image to the left, shows you how to clean and get the extruder ready! Tip: Always soften hard clays with your hands before putting into the barrel. The clay gun extruder has many uses. With the 20 disc designs you can create many different embellishments for your projects. The round discs are for vines, stems, borders, and letters. The screen discs are for hair, grass, straw and floral stamens.The flat slot discs are for weaving baskets, lattice, ribbons and bows. The square, triangle, half round discs are for bricks, logs, borders, and can be cut and used for small beads.