Related Clues:

• Pottery glaze
• Bicuspid cover
• Start of a slippery nickname for John Gotti
• Kitchen coat
• Nonstick material
• Cloisonne coating
• Nonstick skillet surface
• Nail covering
• Body's hardest substance
• Tooth substance
• Nonstick stuff
• Cloisonné material
• Protective finish
• Type of finish
• Pottery protector