Related Clues:

• Little Brother, I am all on edge
• Grand Canyon part
• Outer margin
• Edge one into a little room
• Panama border
• Not quite make the putt, with 'out'
• Wheel's edge
• Volcanic edge
• Filling point
• Edge past top of bails, or edge to bowler?
• Edge under top of boater, perhaps?
• Edge - lip
• Top edge of cup etc
• Edge (of cup or hat)
• Lip of bowl, cup etc