Good: RH-2: The stand-alone Rogue RH-2 is a reverse hyper machine designed to meet the unique, changing needs of the athletes it serves. It's compatible with all sizes of bumpers and steel plates, and includes multiple hand-holds, load-bearing rubber feet, and and extended pad for hip protection.
Better: RH-2I: All the benefits of the RH-2 Reverse Hyperextension Machine in a unit that you can mount directly to an existing 2x3" rack or rig. The RH-2I is strap compatible and fits any size plate or bumper.
Best: RH-2M: This version of the RH-2 can be mounted to the 3x3" uprights of an existing power rack or rig for a space efficient Reverse Hyper Machine unlike any other on the market. Compatible with straps and all sizes of plates and bumpers.