Cowskin popularly known as ponmo is many nigerian favourite.as a matter of fact ,there is no assorted without ponmo.ponmo contains nutritional content like calcium,collagen,dietary fibre,fats,iron,magnesium,phosphorus,protein,zinc.white ponmo is better than roasted ponmo because those ones smoked and burnt with rubber and tyres could cause cancer.yummy ponmo is hygienically prepared,cleaned and yummy