Jess (falconry) course of the spring/summer moult, when they are generally re-oiled and serviced as necessary. Jess (falconry) A jess (plural "jesses") is a thin strap, traditionally made from leather, used to tether a hawk or falcon in falconry. Jesses allow a falconer to keep control of a bird while it is on the glove or in training, and allow a bird to be secured on a perch outside its aviary. Jesses come in various types: Jesses are generally made from strips of leather as thin as possible, for which purpose kangaroo leather has become increasingly popular over the years, as it
Tether of the tether, the tether fails in its function. Failure modes for tethers are considered when designing arrangements where a tether is needed. When a tether or line breaks suddenly, backlash of the segments may cause severe damage or loss of life. Safety links are sometimes used to prevent excessive tension in a tether involved in towing objects or persons, like in the towing of sailplanes; the safety link in a tether is thus a tether itself. Tether A tether is a cord, fixture, or flexible attachment that anchors something movable to a reference point which may be fixed or