“...reproduce a radius on the toe of the hook with a 'rasp' after frequent contact with the deck wore it to a knife edge which, to the consternation of the 'Stokers' responsible for the 'trap', were required to replace arrestor wires which had been cut [knicked].” Ray ‘Dutchy’ Brauer A4G Maintainer VF-805
The first image of how the hook is going to change (to look more like an A-4 hook - added to original graphic - rather than a Hornet hook) is from this PDF whilst the second image shows the original F-35C hook gubbins:
http://www.aviationweek.com/media/pd...ern-report.pdf
