What is nails with cross?

Nails with a cross symbol are commonly known as crusader nails or warrior nails. They are often worn as a symbol of strength, courage, and faith. The cross on the nail is believed to represent the sacrifice, perseverance, and determination of the crusaders during the Holy Wars. Some people also wear these nails as a reminder of their own personal battles or struggles, and as a symbol of their religious or spiritual beliefs. These nails are often made of metal, and can be worn as pendants, keychains, or used as decorations.