Please use an opaque, high-contrast interface! It will probably not work otherwise.
- Use a screenshot tool that will copy a selection of the screen to the clipboard.
- Take a screenshot of the icon. It doesn't have to be carefully taken, make sure the whole icon is there!
- Paste the screenshot into this page with Ctrl+V
- Select the relevant inventory slots or make adjustments if needed.
- Or watch Rydian's instructional video here.