This book has been approved by TWiEA - The World Isometric Exercise Association (www.TWiEA.com). This is the NEW 2024 updated 300+ page Bullworker Bible(TM) with big pictures, updated Bullworker(R) spring data and useful arrows showing the direction to apply the force and movement. The Bullworker Bible(TM) is the definitive resource guide for all Bullworker(R) users and is the companion book for The Bullworker 90(TM) Course. It also includes information...