Great advice, thanks! Funny video, too.
Couple of thoughts...
On being handcuffed; most police officers will remember to double-lock them, so they will not tighten down. However, it's probably a very good idea not to lean back on the cuffs if you're being transported. If they are not double-locked, they will tighten down and cut off the blood flow to your hands. It's really painful.
With regard to being cuffed while not under arrest...I have to disagree ever so slightly. The word 'arrest' literally means 'stop'. If you are free to leave, you are not under arrest. If you are not free to leave, you are under arrest. You can be arrested without being charged with a crime. You can be cuffed and detained for a short period of time; as jks9199 says, for both the officer's and the subject's safety. However, if you are cuffed, you are not free to leave; and that means one thing. You are in fact under arrest.
Here is a link to the famous ACLU "Bust Card." It's a PDF file. You can download it, print it, and fold it in quarters to fit in your wallet or purse. Good reference material to have with you, although you really should read it and understand it before you need it.
http://www.aclu.org/drug-law-reform...al-justice/know-your-rights-what-do-if-youre-
As a former LEO, I can't tell you how many times people I've arrested have told me that
"You can't do that," or
"I know my rights, I demand a lawyer," or
"You can't arrest me unless you tell me what the charges against me are," or
"Take these cuffs off and I'll kick your ***," (love that one) or
"I'll have your badge," or
"I'm going to sue the city and you and I'm going to own you, punk!" It used to get quite comical at times. I have no idea where people get these nutty ideas about what their rights are.
The advice given by the O/P is terrific. Read and heed. Download and read the ACLU Bust Card. Great advice there too. Arguing with a cop is always a bad idea, and raising your hand to a police officer is the same as saying you'd like your butt kicked right now, please, as Chris Rock said.