This video shows kintsugi gold Step #3. It is the second application of jozuri. This is the final step of pre-polishing for graded metal. It is possible and sometimes necessary to do another application of jozuri, it depends on how well your previous applications covered the metal.
This is the first application of jozuri. You apply jozuri in order to ‘harden’ the metal in preparation of sanding or polishing it to a finished brilliance.