How to etch metal at home

Have you ever seen a beautiful etched metallic object and thought “I wish i could do that..” Well guess what, you CAN do that! It doesn’t take a lot of toxic chemicals or expensive equipment, all you need is vinegar, salt, tape, a 9V battery, a Q-Tip and a stencil. Don´t believe me? Just watch this quick video from HouseholdHacker and be amazed of how simple it can really be!