Related Clues:

• Move cautiously
• Lumber thickness, maybe
• Go very slowly
• Tiny amount of progress
• Type of worm
• Rearranged chin that is part of a foot?
• Move in baby steps
• One of 360 for a first down
• Square ___
• See 61-Across
• Narrow winning margin
• Make a small move
• Move at a snail's pace
• Move bit by bit
• 2.54 centimeters