Related Clues:

• Make sharper
• Defeat by a hair
• Good thing to have in competition
• ''Postcards From The ___''
• Walk like a crab
• Borderline
• Emulate a crab
• Rim … or trim
• Move like a co-worker of Elaine's on a "Seinfeld" episode
• Walk stealthily
• It can be the difference between winning and losing
• Sphere's lack
• Place for a fringe
• Drop-off spot
• Head start, maybe