Adjustable DesignThis archery thumb protector ring has adjustable finger width at the thumb, you can adjust according to your comfort. Brass Outer LayerThe outer layer is brass, the brass outer layer can significantly preserve the fingers and reduce the impact of the wrench on the release. It is a hard wrench suitable for traditional Mongolian bow release. Leather Inner LayerThe inner layer is made of leather, with a cowhide lining stitched inside, soft leather material, soft and comfortable. Ergonomic DesignThe hardened part connects and fixes the posture of the first and second joints of the thumb, and the index finger assists the entire thumb to increase the strength of the thumb to pull the string. Anti LostThis bow thumb protector comes with a cord, which can be worn on the wrist to prevent loss and can be worn with confidence. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!