How hard would it be to make an effective manual lawn mower (no fuel, no electricity, can cut grass of any length)? What about four wheels instead of two, and horizontal blades
Reel Mower Buyer's Guide - How to Pick the Perfect Reel Lawn Mower
Manual lawn mower hi-res stock photography and images - Alamy
American Lawn Mower Company 1204-14 14-Inch 4-Blade Push Reel Lawn Mower, Red : Amazon.com.au: Garden