Hermann Oak Harness Leather 8′ Split Reins. Login to see price! Hermann Oak Finished and Rubbed Harness Leather 8′ Split Reins. Water loop bit ends. SKU: N/A Category: Split Reins Related products # 4580 “Brown” Light Weight 8′ Harness Reins Login to see price! # 458DS Doubled and Stitched Split Reins Login to see price! # 57 Braided Cotton Breaking Rein Login to see price! #4580M Medium Weight 5/8″ Split Reins Login to see price!