Related Clues:

• Sharpen skills
• Practice, as skills
• Sharpen, as a blade
• Use a strop
• It'll give you an edge
• It'll give you the edge
• Gain
• Improve, as one's skills
• Perfect, as one's skills
• Sharpen, as on a whetstone
• Work on the edge?
• Buy
• Make perfect
• Make sharper
• Put to the grindstone