滚铁环的制作方法

To make a rolled iron ring, you will need the following materials and tools:

Materials:
- Iron rod or wire
- Hammer
- Anvil
- Heat source (forge or torch)
- Pliers

Steps to make a rolled iron ring:
1. Cut a piece of iron rod or wire to the desired length for the ring.
2. Heat the iron rod or wire in the forge or with a torch until it is red hot.
3. Place the heated iron on the anvil and use the hammer to flatten one end of the rod.
4. Use the pliers to grip the flattened end of the rod and start rolling it around to form a ring shape.
5. Continue rolling the iron rod around until it forms a complete ring.
6. Use the hammer to flatten any rough edges or uneven parts of the ring.
7. Let the ring cool down completely before using or further shaping it.

This process requires caution and proper safety equipment to avoid burns or injuries.