Jim McVittae was the petrolhead mowing with a powered finger bar scythe against the most humble of tools, the scythe. Trouble was he used to high a gear and panicked, each strip of grass was double the width of the BCS power scythe bar. For more on mowing with a scythe and Wimpole see this blog https://sadeik.wordpress.com or just google 'wympole'