You might have been seeing St.Louis cut spares on tv.
Spares will be longer,flatter,meatier,and usually thicker than loinbacks.
A lot of folks prefer them for personal dining.
Smokin's 101 and ChrisA's site show some good prep techniques.
The spares are essentially squared up and trimmed of cartilage, that you wouldn't want the judge getting.
The underside meat flap will be removed to cook more evenly and pesent nicely.
As to Cookshacks in competition,the different sanctioning bodies write rules that they feel maintain the tradition and embody the spirit of true barbecue.
Cookshack cookers had not been allowed, because the heat is provided by an electric element.
Gas is also not permitted.
The ABA is comprised of cooks from several of the organizations that hope to get the public much more involved and move bbq to a higher popularity level.
NASCAR would be an example.
Our own drbbq is on their board of directors,Cookshack is one of the original corporate sponsers,and Smokin' Okie will be cooking an ABA event in Brainerd,Mn.
Cookshack also did well at the ABA national contest last year.
They feel that" let most types of cookers compete and let the best cooks win".
American Barbecue Assoc.