Hi Darlene, this video will show you how to draw on glass - https://www.youtube.com/watch?v=Lsh9zHG26YI
I painted on glasses with acrylic paint like folk art. Bake at 300 for 30 minutes, leave in to cool. To clean wipe with a soft cloth. Paint is fragile and cannot immerse in water.
Hello. Decide on your image and place it inside the glass. I recently painted 36 glass mason jars with Folk art multipurpose. This paint is rated for glass needs to be baked on.
Plaid has a whole page on glass paint products I would look there or call their support line. They are very educational and helpful
Additional references that helped me with regular ( non glitter) paint glass painting. I hope this helps!
Here's a set of paint pens that would work for the job:
Walmart sells paint pens. They look just like a marker but have paint inside.