Karl '' Owe '' Sandström , ( born 1944 ) is a Swedish clothing designer and teacher , he is perhaps best known for designing all of the music group ABBAs stage outfits except their Waterloo costumes at the Eurovision Song Contest 1974 . Sundström is also known from television as he participated in the Söndagsöppet segment " Hur gör djur " in the 1990s . He is also a teacher , having taught at the Spånga Gymnasium in Stockholm , where he specializes in nature and tropical animals . Sandström also came up with the opening number and show feature of Stockholm International Horse Show in Globen
Eurovision Song Contest 1974
Eurovision Song Contest 1974
Owe Sandström