Possible Clues:

• Barely a haircut
• Deck or dock made shipshape
• Cut off excess, make neat
• What a pruning for Meath!
• An' this is neat in Ulster, but is in Eire
• Garnish
• "Just a little off the top" at the barber's
• Not a major haircut
• Arrange sails to suit the weather
• Take the edge off?