Related Clues:

• Improve, in a way
• Sharpen, as a knife
• Refine
• Barbershop band
• Sharpen, as one's skills
• Get an edge
• Barber chair attachment
• Use a whetstone on
• Give an edge
• Improve, as skills
• Use a whetstone
• Perfect, as a skill
• Sharpener
• Fit of bad temper
• Barber's sharpener