Good: Rogue Rings: TIG welded steel with Rogue's signature coating. Includes straps strong enough to tow your car.
Good: Rogue Wood rings: The rings used at the CrossFit Games. The perfect feel for doing muscle ups and ring dips. Includes straps strong enough to tow your car.
Best: Rogue Rings with Competition Straps: Adjust the height of the rings in seconds. Used at the 2011 CrossFit Games.