The staff was also wooden and had that familiar hook like crook at the top. Sheep would quite often wander off the path of safety and become entangled in dense brush or slip into small gulleys and the crook enabled the shepherd to reach out for the sheep and draw it out of harm and back to the safety of the flock.
Psalm 23 can be regarded as a psalm of high praise of God. It is one of the shortest psalms, but it gets its point across very directly and clearly. It makes use of the extended metaphor which is a metaphor that develops at length and includes several points of comparison. This psalm also uses the idea of parallelism that gives an idea in the first lines and keeps on repeating and elaborating in the later