Related Clues:

• Razor feature
• Barely defeated
• Beat (out)
• Beat slightly
• Head start, e.g.
• Beat by one, say
• What trained athletes look for
• Part of a box
• Falling-off point
• Part of a blade
• Polygon part
• Having a border
• Beat by a bit, with 'out'
• Snooped, with 'around'
• Make sharper