Possible Clues:

• Will this be enough to create a blockage, being only one foot long?
• Become blocked with wooden-soled shoe
• Keep from draining
• Stop running
• Overflow cause
• What paper towels do to a toilet
• Shoe for a certain dance
• Unimportant employee guarding Latin block
• It will obstruct one to go on foot
• Play crudely in Holland?