Related Clues:

• Make keener
• Make a point?
• Use a strop on
• Make a knife sharp
• Nip
• Make more efficient
• Get to the point?
• Sharpen, as a skill
• Strop it!
• Adapt slightly
• Revise for the better
• Strop
• Make slight modifications
• Make small adjustments to
• Polish, as one's skills