Related Clues:

• Canyon perimeter
• Outer edge
• Salty spot on a margarita glass
• Hoop edge
• Skin of frost
• _____ frost
• Hub's opposite
• "The ___ of the Ancient Mariner"
• Doughnut covering
• Top in a bakery
• What a 'swish' basketball shot doesn't touch
• Lens holder
• Look of aged whitening
• Coleridge work
• Icy crystals