These are HRC brand Mecate Reins. Handmade using premium Double Braid Polyester rope the reins are weighted on both ends with a popper on one and a tassel on the other or you can choose to use poppers on both ends. The rope is 9/16" diameter just slightly larger than the 1/2" and has great feel. Use with a Bosal or with Slobber Straps. Comes in the standard 22Ft length or longer lengths if you prefer.