Sprenger Satinox 14mm Double Jointed Stainless Steel D Ring Size:115mm The boots are also equipped Shoes The boots are also equipped with a zip positioned in the back of the boot perfect for riders seeking a secure fit and practical features They ensure an even spread of pressure and achieve a direct and accurate effect ergonomical shape allowing an even distribution of pressurefits anatomically correct between tongue and palatedirect and precise effectdirect pressure transmission on the tongue and lower jaw due to fixed mouthpiecelies steady in the horses mouth gentle on the corners of the mouthoffers additional lateral supportexcellent processing and tested material quality