Related Clues:

• Yellow-and-red gas station symbol
• Piece of the pie?
• Clam cover
• Beach house?
• Geological layer
• Manitoba's White _____
• Pie base
• Mortar missile
• Hard outer layer
• Pistachio covering
• Bullet casing
• Pizza part often eaten last
• Snail coverer
• Hard casing; a racing boat
• Hardened layer; pie top