Where can I find Canned fish in Knutwil?

Canned fish can also be found in these cities:

Egolzwil Emmen Fahrwangen Gränichen Hitzkirch Huttwil Kriens Lucerne Malters Menziken Murgenthal Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Schönenwerd Sempach Seon Suhr Sursee Unterentfelden Urswil Wohlen Wolhusen Zell Zofingen

You can also find this in Knutwil:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll