The Qur’anic sentence...
The Qur’anic sentence: /wa qaddir fis-sard/ means: to observe a suitable measure in making the rings of the armour and that how it may be weaved. In fact, Allah orders David that he must be a lesson for all of the people of art and believing workers in the world. This is an order for firmness, stability and observing exactness in quality and quality of manufactures in a manner that the users of them can apply them easily and comfortably.
It implicitly orders David that he should make the armour wide and comfortable in a state that when the strivers put it on they do not feel that they are in prison. The links should be neither so small and narrow that they lose their flexibility, nor should they be so big and abnormal that sometimes the sword-point, a…