Related Clues:

• Improve, as skills
• Use a whetstone
• Perfect, as a skill
• Sharpener
• Fit of bad temper
• Barber's sharpener
• Sharpen by rubbing
• Perk up
• Barbershop band?
• Sharpen skills
• Practice, as skills
• Barbershop item
• Hone
• Barber's accessory
• Use a strop