Related Clues:

• Outer edge of a wheel
• 'Brim, lip (3)'
• Brim, lip
• Might one place an ant on top of it?
• That has one all on edge
• For the cockney, that's a hedge
• Grand Canyon part
• Outer margin
• Edge one into a little room
• Not quite make the putt, with 'out'
• Wheel's edge
• Volcanic edge
• Edge - lip
• Raised edge
• Hoop part