I guess you could call it a forbidden action, but I hate that rule and will never use it. The only other thing really is to throw the stage out for bad stage layout. I know people will cry it's only a local match, but local matches are where you learn the rules hopefully. People could still shoot it for no score. No DQ, no procedurals, no anything other than coming up with a better way to set things up. Yes, I have been outsmarted before when I have setup stages. I don't get mad, I just take it as a lesson learned and move on.