Tradition, conformity, morality, ethics
The grandfather pulls the needle through the cloth as he finishes the stitch. With a smile of encouragement, he hands the material over to his grandson. The boy is clearly nervous, but he squares his shoulders and slowly pushes the sharp point into the cloth. His first stitch is a bit uneven. Each one he makes is better than the last, though, and soon he has successfully completed the first section of the robe.
The grandfather sits back and watches with pride. Tonight, when they go door-to-door to perform their parts in the culling, the boy will look perfect.