How and why would you turn Boggers into mud-slingin’ rock-chuckin’ tractor tires? When the mud is slicker than grease, and the trails require throttle-down driving, you’ve got to find some way of grabbing hold of Mother Earth and the best way is with a set of large cut mud tires. We were in for an educational experience when we met up with Brian Boyd and some of the Middle Tennessee Trail Runners and some serious Jeeps for a romp in Monteagle, Tennessee.