Hyäryllistä  is a group of three friends (Jouko Korkeasaari, Sari Koski-Vähälä, Heli Kurunsaari). Origins for their generous and peculiar approach lie in leisure. As a witty response, they named themselves Useful.

For a rainy day , installation,
approx. 3m x 4m x 2,5m, 2008