Basically make a minimum deposit of $20 and enter the promotion code 600. https://rdrweb.com/%ED%8C%8C%EC%9B%8C%EB%B3%BC%EC%8B%A4%EC%8B%9C%EA%B0%84-%EB%8B%B9%EC%8B%A0%EC%9D%98-%EA%BF%88%EC%9D%84-%ED%98%84%EC%8B%A4%EB%A1%9C-%EB%A7%8C%EB%93%A4%EC%96%B4%EC%A4%84-%EB%B3%B4%EB%AC%BC%EC%B0%BE/
