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.