if u use a can of air to clean out ur rig. what is the best way to do it? just shoot the air from the can and clean? lol, i know, but not sure if that's all there is to it or not. i used to simply just blow into it with my own air, but figured this would be better? is there a better way? is the can air bad for system? is it good? anything else i missed? thx!