![Forced a patina with mustard. Is this rust? Metallic smell and yellowish colour, but nothing comes off when rubbed with white coffee filter paper. : r/chefknives Forced a patina with mustard. Is this rust? Metallic smell and yellowish colour, but nothing comes off when rubbed with white coffee filter paper. : r/chefknives](https://preview.redd.it/i6yb48sm0ax71.jpg?width=640&crop=smart&auto=webp&s=f0d2a29a83324c74ddc1057f213e0941ece6c21e)
Forced a patina with mustard. Is this rust? Metallic smell and yellowish colour, but nothing comes off when rubbed with white coffee filter paper. : r/chefknives
Jesse on Twitter: "Forced patina pattern using mustard. Just let the mustard set on the blade a couple hours. If you don't like the way it turns out you can lightly sand
![What do you think? Experimenting with a mustard patina on a test knife. Sofar japanese mayonaise is my favorite. - Album on Imgur What do you think? Experimenting with a mustard patina on a test knife. Sofar japanese mayonaise is my favorite. - Album on Imgur](https://i.imgur.com/MzG3IiR.jpg)