Potato Clay Stitched Decorations Model a simple gift for someone special for Christmas. Use threading techniques to stitch around the edge for a beautiful handmade look. Materials Eco Clay – Potato Perle Cotton Thin Perle Cotton Thick Shepherd Hooks Sewing Needle How to make Potato Clay Stitched Decorations Step 1 Take a small portion of Potato Clay and model the shape you desire. Step 2 Use Perle Cotton to sew a pattern in and around your shape. Step3 Create a pattern by poking a needle into the clay. Attach Shepherd Hooks to create earrings.