The Energon Pub

I got the Protector add-on armor/trailer not too long ago and I was wondering: what exactly is this extra piece for?

http://i470.photobucket.com/albums/rr64 ... 0_0086.jpg

It's for him to shake hands with Voyager class Classics Prime. Basically put it into both of their hands and they look like they are shaking hands.

Ah, thanks