The gear chain is locked. It can't possibly turn.
And if, in the entire brain trust of the Democratic Party, they don't have one person with the common sense of any ordinary bicycle repairman, then what hope do they have of solving the really complex problems?
Yeah that's what I thought, turning one of the gears would break the legs off at least one of the others (if forced). It is a stunningly accurate emblem of the Democrat party during my lifetime.