i was going to use lumber molding too,instead i found some heavy fabric that was left over from making a cover for my ironing board . then i cut a strip about 2 inches wide by how long i needed them after i cut my sizes then i sewed each pouch or bag on both sides leaving only one end open then filled each pouch or bag very tightly with crushed walnuts shell. the same walnuts shell used for pincushions .then just hand stitch end closed ,it works very good