How to use Offset Inset with Groove?

 From:  chippwalters
7103.2 In reply to 7103.1 
OK. I figured out one way to do this by Separating the solid and using a VERY SMALL OFFSET.
( see this video: http://www.youtube.com/watch?v=TFPxbec4M2I )

Is there a way to do this with a solid and/or without the very small offset?