Birdseye invented this product that was originally sold as "herring savouries"
- Fish fingers | The first fish finger in | Flickr [PAR] Sep 22, 2016 ... Clarence Birdseye's most famous invention first went on sale - and English ... had 
tested prototype products in two areas: "Herring savouries" in South Wales ... 
more than 15 billion fish fingers have been sold in the UK alone.