Montana Belt Buckles How Do You Clean A "Montana Silver" Belt Buckle?

How do you clean a "Montana Silver" belt buckle? - montana belt buckles

I used to show horses for 15 years, and I have a silver belt buckle from Montana. By the time my coach told me that horses with Montana silver cleaner can clean, dress, if they are damaged in order to send them because they ruin the end if you do too. Is that true?