Disclaimer:  By making the purchase you are agreeing with the following:
a) You have read the FAQ page and have a general understanding of the content. The book reveals the conscious thought process of how to configure the feet, how to train and theoretical background of how it functions.
b) Chongxiediscovery YouTube channel explains the exercises that incorporates Hyperarch Mechanism. Once the practitioner understand what the Hyperarch Mechanism is and how it works with rest of the body, all the videos will make more sense.
c) There will be ABSOLUTELY NO REFUND as the information is proprietary. As with any activity, there are always risks associated, prudence is of utmost importance to maintain your athletic development. You will NOT hold the author liable for any accident or injury.