MULTI-PURPOSE: The archery trainer is used for archary(bow) training, latissimus dorsi, finger, arm and back strength workout. It is suitable for both man and women. Designed to enhance arm strength and practice archery posture FUNCTION:Size: 50 x 15 x 4cm/ 19.7 x 5.9 x 1.6 inches (L x W x H) The archery pull bow workout equipment will help build different muscle groups and will be beneficial to your overall fitness. Perfect for your archery posture training and strength exercising. Simulates pulling a bow, increase your draw weight and hold longer and steadier on target EASY TO CARRY: The extensor exerciser is so portable. Lightweight and compact, that you can bring it with yourself when you travels. Start your bow training at anytime and anywhere. Great fitness and training device for anyone getting ready for bow DURABLE: The archery strength puller is made of high quality rubber band, which has good elastic, strong, durable and flexible for long lasting time. Archery Posture Bow Training Strength Puller Exercise Practice Tool Equipment, for a warm-up before hunting bow