If you are looking to spice up your SMORR adventure, then maybe you should check out Rocker Knocker. Not to be confused with the obstacle in Moab, Rocker Knocker in Missouri is a tough trail that will likely put drivers to their test as they navigate this trail. Two obstacles will push you and your nerves to compete. Not to give anything away, most wide stance vehicles can do this trail, but you will have to earn it. If you are looking for challenges, check out this trail.