A lot of those presses are also set up to set rivets and grommets. Usually see them on eBay a "Brake Rivet Tools", tho they're more commonly used for tack (as in horse gear) repair. Pretty common around the farm, and you see them occasionally with old car hobbyists that do their own brakes...
The bottom is a clamp on mini-vise - I use mine as a 3rd set of hands.