The Psalmist refers to Children as Arrows- an effective weapon in the hand of a warrior! Carefully and skillfully guiding them toward and intended target. this is true because bow and arrow was a formidable weapon of war in the ancient times.
Possession and proper handling of it guarantee victory in any war. likewise, a proper handling of our children will make them to become sharp arrows that we can use to launch an attack on the camp of the enemy and bring victory, joy and celebration psalm: 112:2.