Since the age of 67 years, 10 years, the Chinese Kung-Fu Master Wei Yaobin takes daily violent kicks in the testicles, banking punches, on foot, brick and even medieval RAM. A martial art which, according to him, would improve the sexual health of men, especially in what concerns premature ejaculation and erection disorders. In the company of his students, it makes us a demonstration of resilience of its 'balls of steel '!