Possible Clues:

• Machine for cutting grass edges
• Grass cutter
• Initially slimmer and fitter from cutting down on the grass
• Tradename for a grass-cutting machine
• Device which cuts grass ultimately to get neater
• Show some anger about 40% of trade in garden equipment
• Cutter for rough grass etc
• What can make borders ultimately neater?
• Garden equipment
• Brush cutter