Read and watch for more information from this Courier Mail article:

https://www.couriermail.com.au/sport/boxing-mma/fitness-guru-dundee-kim-behind-developing-jeff-horns-incredible-punching-power/news-story/622a289cbb7ae14fec184ed512c12bca

You may also spot some of our products in this video, such as our belly pads and focus pads.