It kind of looks like a neck brace on him, I may have gotten a little over-zealous with the 2" choice, however, I like it and think it turned out fabulous regardless.
So we finally got home and I had a chance to take pictures, we just walked in the door and I told him to sit down which is hard to do when it's so exciting to be home!:

All of the sudden:

"has that fish tank always been there?"
And then I let him check it out:

The fish tank was moved like... 4 days ago, and apparently he just noticed it. You know, because it was really important at the time, more important than pictures.

He looks great in green! What a goober.
Is is too itchy inside? Does it "clank" somehow with metal against metal? Or is he just a being a dork?
I would imagine that is an important part of a dog's day.