The materials that you need are a white mask, black sharpie, a printed copy picture of the mask, and a pencil. It is recommended that you sketch the picture using the pencil first. So, your first step is to sketch the picture using pencil on to the white mask. After you have finished sketching on the white mask. If you like, you can add extra details to make the mask looks better. You begin to go over it with the black sharpie. When you are done, the result will look like a Jordison mask from Slipknot.
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