In our (BAFRA) officiating philosophies (most of which we share with NCAA/CFO), we have an additional one relating to Rule 9-2-2. In addition to the three explicit prohibitions in 9-2-2-a, b and c, we also have
"trick plays with actions or verbiage designed to confuse the defense into believing the snap is not imminent - this includes pretending to have a problem with the play that has been called, an equipment problem with a shoe, the ball, etc. and feigning an injury; it also includes assuming the role or functions of an official."