It's a simple electroplating process. You need
- a carbon steel knife
- gold electrolyte
- electroplating set (or 2x AA batteries, wires and a metal rod with a sponge on top)
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Step 1: Electroplating the Knife
- connect a wire from the metal rod with sponge to + of the 2AA batteries
- connect a wire from the knife to - of the 2AA batteries
- put the sponge in the gold electrolyte and gently sweep over the knife
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