Sometimes, you need a trusted friend to guide you through the process and help you get the results you desire. Dan John is that friend. In this book, he shares many nuggets of wisdom that are not only tested but with measured results over years of teaching others worldwide.If you know how to swing and do a getup, this book can help you advance to the next level. Learn the power of using a single kettlebell to gain strength and increase stamina while building a more balanced life.Up your kettlebell results with this book. Never Let Go!