From the unearthed ware,Dao in Tang dynasty has such mature elliptic saber guard.It's obvious that which was the first.
From the unearthed ware,Dao in Tang dynasty has such mature elliptic saber guard.It's obvious that which was the first.
以出土的实物看，唐代的横刀上就有非常成熟的椭圆形刀盘，谁学谁的一目了然。