Vestan ceremonial swords vary in length according to the height of the wielder. Vineta's is "only" 12 ft long, befitting a user of about 5'2".
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A 'second' is required to help unsheathe such a weapon by holding the far end of the scabbard. This helps make dueling conditional on the traditional ameliorative role of the second, although the aggrieved party will find a way if they're really keen.