Seabrook Potato Crisps sold through mail order. The company has a number of firsts to its name - in 1979, they were the first company to launch crinkle cut crisps, and these now make up the majority of their business. In the 1980s the company was the first to start using sunflower oil in its cooking process and in 2007 Seabrook were the first crisp brand to remove MSG from all its crisps. In 2014 Seabrook went one step further, and were the first, and remain the only major crisp brand to be Coeliac UK (gluten free) accredited. In 2014 they also launched
Crinkle Crags summit ridge. These are generally referred to as the first to fifth crinkles, but Richards starts in the north, Birkett in the south and Wainwright employs both conventions, depending upon the direction of travel. For clarity in this article the first crinkle will be taken as the southernmost top. On this basis, the second Crinkle (also called Long Top) is the true summit of the fell. The only other Crinkle with a definitive name is Gunson Knott, the fifth. To the north of the Crinkles proper is a depression and then the outcropping continues over Shelter Crags. In recent times