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
Hack (falconry) with a lure for sport, or released into the wild. If the purpose of the hack is to prepare the raptor to be in the wild then the reserve hopes that the falcons will come back in a few years to nest there. Falconry has been a hunting sport since 2000 BC originating in ancient China and Egypt and since then the technique of hacking has been used and evolved. The term “hacking,” however, was not coined until the Elizabethan era. During that period, falconers brought a “hack,” an old English word for a type of wagon, to a hilltop