Guess that the long Dao dressed by generals in early time had flying ring,and the modern noble's long Dao was hung on caestus directly,so there's no flying ring.
推测早期披甲的藩将所配长刀皆有吊环，近代贵族的长刀直接别在腰带
，故无吊环。
Guess that the long Dao dressed by generals in early time had flying ring,and the modern noble's long Dao was hung on caestus directly,so there's no flying ring.
推测早期披甲的藩将所配长刀皆有吊环，近代贵族的长刀直接别在腰带，故无吊环。
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