Stacia Miller on Instagram: "My previous reel showing how some Sharpies resist glaze slurry got a lot of questions, so I did some testing! I started with a variety of Sharpies, Oil based Sharpie paint markers, and several brands and colors of crayon. Only the gold Sharpie, bronze Sharpie, and gray Comet brand crayon resisted well enough for my liking. I might try more colors of comet brand crayons in the future. The second tile has all the same colors in the same order, but I force the glaze to