How to synthesize a traveling string helmet?

iron ingots are needed for the helmet synthesis of travel strings.

synthesis of traveling string helmets: put metal materials or leather on the workbench, and one * * * needs five iron ingots, which can be put into the shape of a hat to make a helmet.

The travel chain store allows customers to enjoy delicious food and have fun traveling at the same time. It is a very trendy food store. The investment cost of opening the store is 2, yuan, and it takes more time to design and decorate the store.