Related Clues:
- Lawn maintenance tools
- Tools with semicircular blades
- Their blades shorten your blades
- Craftsman outdoor tools
- Border maintainers
- Border cutters
- Greenskeepers' devices
- Groundskeepers' machines
- Shearers of wayward blades
- Lawn machines
- They're used at the border
- Lawn trimming tools (Bonus diagonal clue: Extra power source, literally? [enter from this answer's 3rd letter to 20-Across' 4th letter])
- Lawn levelers
- Gardeners' tools
- Lawn-Boy products