In post 64, Mr. Flay wrote:This actually does NOTHING to guarantee unbiased role assignments. can be manipulated (in ways I won't get into).
That said, if you want to roll dice in your setup PT to arrange your game, feel free. Just don't assume it's foolproof when/if someone questions you on it.
The only way I know of, and feel free to tell me if there is another, is to delete the post in question. And even that doesn't actually work. We backup deleted posts.