You want to cut the top of the can off the beer can. This maximizes the flow of moisture from the beer to the bird. Most any can opener can be used to cut the top off a beer can. Works great. You will need to get rid of half the beer from the can some how. I leave that up to you. Next add 1/2 cup of your spice rub to the can and give it a quick stir. The can is now ready.