Girdle used to Bear Arms
Source: Nav
1 Samuel 18:4
And Jonathan removed the robe he was wearing and gave it to David, along with his tunic, his sword, his bow, and his belt.
2 Samuel 20:8
And while they were at the great stone in Gibeon, Amasa joined them. Now Joab was dressed in military attire, with a dagger strapped to his belt. And as he stepped forward, he slipped the dagger from its sheath.
2 Kings 3:21
Now all the Moabites had heard that the kings had come up to fight against them. So all who could bear arms, young and old, were summoned and stationed at the border.