I don't see why you can't simply make the brackets to fit the mattock head yourself, or have them made. If you have a vice it shouldn't be too hard to bend one using aluminium sheet. Get some cardboard(corn flake box or something similar) and...
When i built my kitcar i used enough of the donor car to qualify to use that reg number but before i could register it i had to get it inspected with a 'super MOT' at a DVLA test station. I had to insure it using the chassis number. Once it...