Not exclusively. It is crocheted the same whether you add it to a Tunisian or regular (non-Tunisian) crochet project. There seems to be some confusion about whether the Limpet is a Tunisian stitch. ARNie (Angela Grabowski) describes the limpet as a popcorn variant for Tunisian crochet that she found in a Victorian book, but this just demonstrates how versatile and valuable this stitch is to know.