armguard

1. The armguard protects your bow arm from the string.
   护臂保护你的持弓臂不被弦打到。
2. Original, the Tibetan Dao with ring-plate armguard is not low-end.
   原味，圆盘护手的藏刀档次不会低。
3. Please comment those who know! Shall I start at the armguard? Use one rope or two?
   其他知道的高人也请赐教啊！是从护手开始绑？用一根绳子还是两根？

noun

1. a protective covering for the wrist or arm that is used in archery and fencing and other sports

   Synonym:    bracer