In an apocryphal story, one of these objects created by John Hetherington got him arrested for inciting a riot as several women fainted. A group named for these objects was led by Count Arvird Horn succeeded in pursuing a peaceful, pro-Russian foreign policy. In a 19th-century fad, entire stuffed birds were attached to these objects. (10[1])During the Age of Liberty, two terms for these objects named the conservative and liberal political factions in Sweden. A new style of these objects in the 16th century made using castor gras led to an increase in demand for the main commodity gathered by French coureur des bois (“koo-RURR day bwah”) in colonial Quebec. For 10 points, the bicorne and tricorne are historical styles of what object, the most common accessories with the felt from beaver pelts? ■END■