Cockles, clams, whelks and winkles

The Smelly Alley Fish Company was mentioned in The Independent a couple of weeks ago
http://www.independent.co.uk/life-style/food-and-drink/features/shore-things-cockles-clams-whelks-and-winkles-2350945.html
in a very interesting article about cockles, clams, whelks and winkles. 
Find them on the Smelly Alley site at
http://www.thesmellyalleyfishcompany.co.uk/acatalog/Whelks__winkles_and_cockles.html
and
http://www.thesmellyalleyfishcompany.co.uk/acatalog/Clams.html