Gu Yu Cheung's Heavy Hands is possibly one of the best kept secret Iron Palm methods in Chinese Martial Arts. Master Gu was an incredibly famous Northern Shaolin Master who travelled to the South to teach, answering many challenges and never losing. He is documented in the most famous iron palm photograph today Ð Sifu Gu himself slapping through thirteen bricks without spacers, resting on the earth. Made available for the first time, Sifu Neil Ripski shares his knowledge of this powerful qigong technique.