Mauri Pöyliö is a well known maker of birch gnarl cups, known with the name “kuksa”. Kuksas have served Nordic people for thousands of years, and their properties are just as useful today as they have always been. The wood feels soft and cool on your lips, and is hygienic by nature.Mauri Pöyliö is a well known maker of birch gnarl cups, known with the name “kuksa”. Kuksas have served Nordic people for thousands of years, and their properties are just as useful today as they have always been. The wood feels soft and cool on your lips, and is hygienic by nature.