Falconry training and technique two parts that twist freely, each with a metal hoop on the end. The swivel may be traditional, or modified. The modified swivel has much larger metal hoops than the traditional. While swivels have been made of cloth or other materials in the past, most modern falconers use metal swivels. See Falconer's knot for more information about tying off the bird to the glove. When using Aylmeri jesses, there are usually two sets of straps: the mews straps, for manning and tethering the bird, and flying straps. The flying straps are lighter and smaller for hunting; the mews straps are
Falconry peregrine falcons flown against the red grouse, or merlins in "ringing" flights after skylarks. Rooks and crows are classic game for the larger falcons, and the magpie, making up in cunning what it lacks in flying ability, is another common target. Short-wings can be flown in both open and wooded country against a variety of bird and small mammal prey. Most hunting with large falcons requires large open tracts where the falcon is afforded opportunity to strike or seize its quarry before it reaches cover. Most of Europe practices similar styles of falconry, but with differing degrees of regulation. Medieval