Ready for a truly unique and dynamic forearm workout? This video demonstrates the Screwdriver Grip Exercise recommended by the legendary John Brookfield in his book, Mastery of Hand Strength. This is one of the best ways to build dynamic crushing strength and finger endurance using a simple DIY grip trainer (a 2x4 and a screwdriver!) *** Mastery of Hand Strength Book: *** TABLE OF CONTENTS: [00:00:00] Intro to the Screwdriver Exercise (From John Brookfield's Book) [00:00:20] Equipment Setup (2x4, Screws, Screwdriver) [00:00:40] The Dynamic Exercise: Screwing in the 10 Screws [00:02:24] The Dynamic Exercise: Unscrewing the 10 Screws [00:03:35] Final Thoughts & Benefits for Hand Health [00:04:02] Book Link & Conclusion *** This dynamic exercise works the wrist and vice grip in a way static holds can't, making it a powerful DIY grip exercise for improving your forearm endurance. Perfect for athletes in grappling sports, rock climbing, or anyone looking for a cheap forearm workout at home. What are your favorite unique grip exercises? Let me know in the comments! Like and Subscribe for more grip challenges from Grip Theory.