Gaykamangu, a Yolngu woman from East Arnhem Land, in Northern Territory Australia, founded her label six-and-a-half years ago as a swimwear label —swim still makes up the bulk of her collection—but the big news this season (other than her solo debut, that …Gaykamangu, a Yolngu woman from East Arnhem Land, in Northern Territory Australia, founded her label six-and-a-half years ago as a swimwear label —swim still makes up the bulk of her collection—but the big news this season (other than her solo debut, that …