Am I the only one that laughed a bit? he was obviously trying to restrain him as you would someone standing and it wasn't working because of the chair, so in an effort to appear useful he picked up what was the closest thing to him, and it just came off unexpectedly and we all saw him stare at it dumbfounded for a second, then go back to trying to make himself look useful carrying it with him.

If it had a comedic popping sound when it came off instead of the crowd you'd have laughed.