Judges 20:16

Among all these were 700 chosen men who were left-handed; every one could sling a stone at a hair and not miss.

Judges 3:15

Then the people of Israel cried out to the LORD, and the LORD raised up for them a deliverer, Ehud, the son of Gera, the Benjaminite, a left-handed man. The people of Israel sent tribute by him to Eglon the king of Moab.

1 Chronicles 12:2

They were bowmen and could shoot arrows and sling stones with either the right or the left hand; they were Benjaminites, Saul's kinsmen.

1 Samuel 17:40

Then he took his staff in his hand and chose five smooth stones from the brook and put them in his shepherd's pouch. His sling was in his hand, and he approached the Philistine.

1 Samuel 17:49-50

And David put his hand in his bag and took out a stone and slung it and struck the Philistine on his forehead. The stone sank into his forehead, and he fell on his face to the ground.

1 Samuel 25:29

If men rise up to pursue you and to seek your life, the life of my lord shall be bound in the bundle of the living in the care of the LORD your God. And the lives of your enemies he shall sling out as from the hollow of a sling.

2 Chronicles 26:14

And Uzziah prepared for all the army shields, spears, helmets, coats of mail, bows, and stones for slinging.

Treasury of Scripture Knowledge

Summary

Among all this people there were seven hundred chosen men lefthanded; every one could sling stones at an hair breadth, and not miss.

Bible References

Left-handed

Judges 3:15
Then the people of Israel cried out to the LORD, and the LORD raised up for them a deliverer, Ehud, the son of Gera, the Benjaminite, a left-handed man. The people of Israel sent tribute by him to Eglon the king of Moab.
1 Chronicles 12:2
They were bowmen and could shoot arrows and sling stones with either the right or the left hand; they were Benjaminites, Saul's kinsmen.

Sling stones

1 Samuel 17:40
Then he took his staff in his hand and chose five smooth stones from the brook and put them in his shepherd's pouch. His sling was in his hand, and he approached the Philistine.
1 Samuel 25:29
If men rise up to pursue you and to seek your life, the life of my lord shall be bound in the bundle of the living in the care of the LORD your God. And the lives of your enemies he shall sling out as from the hollow of a sling.
2 Chronicles 26:14
And Uzziah prepared for all the army shields, spears, helmets, coats of mail, bows, and stones for slinging.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.