The Koke line of glazes have variegated surfaces and break nicely. When layered over each other lots of fantastic surface effects can be achieved. See examples of the layering here https://www.houseofdob.com/glaze-combos
 
Available in pints, gallons, and 25# dry.
Gallons and 25# dry glaze are special orders and have a month lead time.
 
Lead Free
Mid Fire, Cone 5/6
Safe for School K-12 Use
Food Safe Non-Toxic when properly Fired