Photoshop Painting Tutorial: Using the "Nudge" tool (arrow keys), move the selection back to its original position. Click on the tone ("Internal Parts TONE") layer to re-activate it, then click on the "Paintbrush" tool. Use the key command Ctrl-H (Windows) or Command-H (Mac OS) to hide the selection "Marching Ants." Using pure white from the Swatches palette, slowly paint the highlight in.
In the last sample of our ghosted illustration (below) you see our chrome tubing incorporated into the finished piece. There are many different approaches to accomplish the same ends, but through countless hours of trial and error, these techniques are what I have found to be the fastest and most consistent, using Adobe Photoshop as a drawing program.
