Possible Clues:

• Creep or move slowly
• Circle regularly about a quarter inch
• Rush-hour pace
• Lacking experience in class, make slow progress
• What a swimmer might do to move slowly?
• Slow progress in Sussex town — being upset, you'll leave
• You're prone to do it
• Slow advance in Civil War, Confederates in retreat
• Scramble on all fours
• Pool maneuver