This video shows step 1b, the application of #3 rounded gold to the outside of the bowl. Step 1b is linked to below, it is a more detailed page on metal.
Step 1a refers to this page, https://zac.wnz.mybluehost.me/website_a640e8d6/?page_id=225
For more on traditional, lacquer based kintsugi see kintugi.com