Related Clues:
- Head start, e.g.
- What trained athletes look for
- Part of a box
- Falling-off point
- Part of a blade
- Polygon part
- Make sharper
- Defeat by a hair
- Good thing to have in competition
- ''Postcards From The ___''
- Borderline
- Rim or trim
- It can be the difference between winning and losing
- Sphere's lack
- Place for a fringe