I've never been arrested, but I was put in cuffs once because I asked an LA Sheriff for help. I was in my car and I had another car that was throwing stuff at my car (literally). She pulled me over (on a highway). I put my flashers on to signal that I I acknowledged her and pulled off the freeway at the next exit (a distance of 0.23 miles). She asked me to step out of my vehicle, so I did. With my hands in the air and following every order I was given.
She asked me to put my hands on her vehicle and then she they slammed my face into the hood of their car and busted my lip. She started to pat me down (I asked for a male officer, but she refused and said I didn't have that right). She took everything out of my pockets and threw it all over the street. I was working as a bartender at the time and I had a wine key (to open bottles of wine) in my pocket. She said that she could book me for having a concealed weapon. She put me in the back of her car and ran my license. She told me that I couldn't tell her what to do.
I literally just asked for help. This specific officer has a reputation for being a bit of a psycho. I tried turning the officer in and filing a complaint against the officer, but no report was ever filed.