This handmade cover for the Passover seder matzo will become a family keepsake, handed down from one generation to the next. Made from a simple cloth napkin or a large handkerchief, it becomes a meaningful heirloom when it is embellished with mementos. Edge the napkin with rickrack or metallic trim, which you can machine- or hand-sew on. We've decorated the corners with silver ornaments, but you can also use personal keepsakes, such as the buttons from your grandmother's wedding gown, a Star of David charm, or any small, lovely ornament that you find symbolic or meaningful.