The Nagawolkwang Sword. A similar iron spade weapon connected to a two-and-a-half-foot-long iron pole, resembling a nagabong, which connects to the handle of the Moonlight Sword.
The reason for this separation is due to the national laws.

According to national law, a weapon over four feet is prohibited.
Of course, it’s a good excuse for the bureaucrats to throw aside their duties and play around.
The bureaucrats, who are supposed to be untouchable, aren’t actually punished when caught for breaking national law; they won’t receive a beating or anything.
Even the sword that Cho Ryeo uses …