Jess (falconry) anklet worn by the bird, which is itself formed of another rectangular strip of leather, bound together at the ends by a grommet (usually of brass), prevented from slipping through the grommet by the knobbed end. Often, another slit is placed near the thin end of the jess cut about one inch long and running lengthwise, through which a special type of swivel is fitted, preventing the whole arrangement from twisting or tangling about itself or the bird when a leash is threaded through the other end. Their intent is more to prevent the risk of the bird deciding to
Falconry level, falconers may apply for a Master Class license, which allows them to keep up to five wild raptors for falconry and an unlimited number of captively-produced raptors (all must be used for falconry). Certain highly experienced master falconers may also apply to possess golden eagles for falconry. Within the United States, a state's regulations are limited by federal law and treaties protecting raptors. Most states afford falconers an extended hunting season relative to seasons for archery and firearms, however species to be hunted, bag limits, and possession limits remain the same for both. No extended seasons for falconry exist