Related Clues:

• Sharpens, as skills
• Barbershop needs
• Sharpens, as a knife
• Makes keener
• Makes sharp
• Works on
• Sharpeners
• Zeros (in on)
• Makes sharper
• Sharpens the edge of
• Cutting-edge creators
• Tweaks
• Readies the razor
• Sharpens, in a way
• Uses a whetstone on