Its pretty simple really, put a good chicken rub all over it including in the cavity. Open a can of beer, drink half, cut a bigger hole in the top of the can, insert the can in the bird's arse, stand it up on the grill like a tripod with the two legs stretched out and the can being the third leg. I usually grill it on 300F for about two hours. You have to drink more beers probably about four during the cooking, and watch for flareups. Then take it off, cut it up and prepare for awesomeness. It is the juiciest most flavorful chicken ever.