Essentially, he was needing their heavenly credentials, while they weren't specific. Many items today are not solid metal but are cast a inexpensive alloy and plated finish. https://Jf3Gaducfoy6Apaeyrfrjn6Fbwfyssq5Xnfrnowabuvmampo6Ouq.Cdn.Ampproject.org/c/Center.kosin.AC.Kr%2Fcems%2F%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D554355