Jess (falconry) the bird, but the width is proportional to leg-length. Traditional jesses are made from a single length of leather, and slits are placed strategically along the jess to allow it to be looped through itself and around the ankle of the bird so that it fits comfortably but securely about and just above what would be the bird's ankle. With Aylmeri jesses, as created by Major Guy Aylmeri, the end of the jess is instead looped through itself repeatedly to form a "button", or knob at one end. The thin, pliable end of the jess is then threaded through an
Badge tether Badge tether A badge tether or badge reel is a spring-loaded reeled tether that resembles a button badge in appearance or attachment. It is used to avoid damage to or the loss of small important objects kept on-person that need to be accessed frequently or quickly, such as a ski pass, identification card or badge, name badge, keys, a phone or other handheld device, or a penknife or other small tool. Badge tethers consist of a thin cord, dimensions on the order of a millimetre diameter by a metre long with one end wound round a spring-loaded reel contained within