They were equipped with bows, using both the right hand and the left to sling stones and to shoot arrows from the bow; they were Saul’s kinsmen from Benjamin.

Moreover, Uzziah prepared for all the army shields, spears, helmets, body armor, bows and sling stones.

The Lord of hosts will defend them.
And they will devour and trample on the sling stones;
And they will drink and be boisterous as with wine;
And they will be filled like a sacrificial basin,
Drenched like the corners of the altar.

He took his stick in his hand and chose for himself five smooth stones from the brook, and put them in the shepherd’s bag which he had, even in his pouch, and his sling was in his hand; and he approached the Philistine.