They may not enjoy bleeding publicly as much as Edward Norton's character did in Fight Club, but the brave souls who enter into the Central Wrestling Organization matches at the Aztlan Theater still seem to derive a rush from delivering -- and receiving -- exhibition-style ass-kickings. Contenders with names like Extreme Machine, Jenocide and Psycho Sarge expertly drop-kick, jack up and put the smack down on their opponents, all to the delight of increasingly sizable crowds. Inspired by the success of the CWO events, concert promoter Dan Steinberg has recently begun incorporating more gore into the Aztlan calendar by implementing punk-rock fight nights and female oil-wrestling matches.