Secrets of the Hardstyle Kettlebell-A Complete Training System for Optimal Performance by

Dragon Door originated the modern kettlebell movement in 2001, with its now-revered Hardstyle kettlebell training system. The impact of Hardstyle training on athletic performance as well as for weight management, cardio and physique building has been immense. Discover every essential coaching and performance tip and technique to thoroughly master the Hardstyle Swing, Goblet Squat