One of the best tricks I've ever seen to get out of mud - it would be difficult - but not impossible - to do with small diameter wheels. If your tires stick way out beyond the body, it just might work for an SUV:

I don't need no stinkin' winch


'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum