Related Clues:

• See 61-Across
• Narrow winning margin
• Make a small move
• Move at a snail's pace
• Move bit by bit
• 2.54 centimeters
• Move gradually
• Edge along
• Kind of worm or meal
• Creep (along)
• Part of a foot
• Arc unit
• Foot feature
• Go at a snail's pace
• Move slightly