Climbing Holds by TWO STONES. Details:Multi-Functional Design: rock climbing hangboard is with 1/2/3/4 fingers pockets4 different depths and edges designed to Strengthen Your Grip:The climbing fingerboard is to simulate various holds and strengthen your fingers wrists hands arms grips body tension core strength and endurance. Training for Many Sports: By climbing training pull up board to prepare for bouldering basketball OCR backpacking hunting and so on. For Beginners and Advanced Climbers: rock climbing training board is designed for both beginners and advanced climbers to exercises including dead bent-arm offset hangs standard offset one-arm pull-up L-hang and front lever. For Beginners: To start with 3 4 finger with deepest pockets. Then try shallower pockets gradually to become Advanced Climbers. Trusted Quality: fingerboard with filletR5 for all pockets edges and smooth polished on all surface of …