[pc86]

If the cop wants to throw you against the car that's going to happen and no amount of negotiation or "Am I being detained?" is going to prevent that. It's also not going to help against the sizable percentage of cops who just don't know they can't do something. This isn't for either of them, this is for the lower grade abuses of power where the cop will make you "wait" 2 hours for a K9 (but never call them in the first place) to try to get you to consent to make things go faster. If they know that you're going to be filing complaints and suing them they're much more likely to just send you on your way. YouTube has literally thousands of these videos which induce various levels of rage depending on how egregious the cops act.