Arts & Cox @artsandcox.com · Jun 20 1 / 3 Here’s a nice Rainbow Bowl! #wheelthrown #ceramic #pottery #handmade 25 likes 3 replies ? Reply Replies Arts & Cox · Jun 20 To glaze this I used a sprayer and edged the lines with a piece of cardboard. The inside I just freehanded with the sprayer. maryjane · Jun 20 Beautiful! 🌈 Renee Carter Hall · Jun 20 Rainbowl! This is lovely.