Karin Onderková gained experience during her studies at the footwear design course of Eliora Lemmer-Ginsburg at Bezalel Academy of Arts & Design, at Jitka Škopová's studio of Textile arts and Pavel Ivančic's studio of fashion design at AAAD in Prague. She also learned practical skills at local bespoke shoemaker's studios or a course conducted by Mike Friton of Nike in Waalwijk, Holland. Woven Fruits, a footwear collection for Tereza Rosálie Kladošová in 2015, was presented at Mercedes-Benz Prague Fashion Week and Mercedes-Benz Fashion Week Madrid and it was nominated for Discovery of the year Czech Grand Design 2015. In the same year, she also made a collection for Leeda, an independent Czech apparel brand. From 2018 she has been focusing on designing a concept of her high-heeled evening shoes under her brand's name Shoedaism. The Cinderella collection, available in sizes 36-44 is aimed at all target audiences regardless of gender, fashion or manufacturing standards.