Side viewHere you can get a good look at the R.A.T. 7's profile. There is a big side scrolling button in the middle and on the end facing right you can see the adjustment tool. It goes where the mouse goes.
Image by Mark Kaelin for TechRepublic. For a full review, check out Geek Gifts 2010: Cyborg R.A.T. 7 gaming mouse.