Related Clues:

• Aphid's sustenance
• Clog location
• It may need air
• Grow weary
• The fifth is spare
• Disappear gradually
• Wear by rubbing
• Use a whetstone
• What spots on 1-Down show
• Center of a sink
• It can wear down from too much travel
• Bite away at
• Chew on
• Get jaded
• It runs through taps