Related Clues:

• Bare or square items
• They may be metric ... or not
• Paws, e.g
• Grape crushers of old
• Yard segments
• Reflexology targets
• They have balls
• See 10
• See 21
• Treading on them shows contempt from start to finish
• Iron Duke finally at wit's end — what's in his boots?
• Measures - body parts
• Old measures - that fill shoes
• On which we stand
• The three in your yard