Prophet Dawud's miracles

وَعَلَّمْنَـٰهُ صَنْعَةَ لَبُوسٍ لَّكُمْ لِتُحْصِنَكُم مِّنۢ بَأْسِكُمْ ۖ فَهَلْ أَنتُمْ شَـٰكِرُونَ

And We taught him the fashioning of coats of armor to protect you from your [enemy in] battle. So will you then be grateful?