Wasserstein GANs (WGANs), built upon the Kantorovich-Rubinstein (KR) duality of distance, is one most theoretically sound GAN models. However, in practice it does not always outperform other variants GANs. This mostly due to imperfect implementation Lipschitz condition required by KR duality. Extensive work has been done community with different implementations constraint, which, however, still...