r/Dorodango

I’ve been into dorodango for a long time and have shaped countless balls of many different substances. My question is, how do I get them to shine? I want that glasslike, reflective finish but I can’t seem to achieve it. Here are 2 perfectly round, smooth gliding dangos. How do I get the shiny finish? I’ve used olive oil, stockings, coffee filters, sand paper, etc but can’t get that polish