Jess (falconry) chase something it shouldn't, and less to keep the bird from getting away, as falconry birds are routinely (and as part of the sport) set free—the bond between bird and falconer serves as a much better leash than any leather or rope ever will; however, it is not always desirable that a bird be able to take flight at its own whim, and both on the glove and on the perch, jesses help ensure this. During hunting season (small game season for North American falconers), jesses are generally worn all season in the mews, and are often removed for the
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